Dallas-Fort Worth yana matsayi na 10 cikin 250 na manyan birane don ayyukan haƙƙin mallaka. Halayen da aka bayar sun haɗa da: • Babban bankin Amurka na toshe kira heuristic • Belaj Innovations' magnolia tsantsa mai ƙunshi abun da ke ciki • Illumina's bioinformatics tsarin da kuma hanyar samar da De Brujin graphs • IBM's data tara kumburi kumburi don blockchain aggregation • Moneygram ta gaggawa sabis/Virtual walat • Na'urar firikwensin iskar gas ta Motorola Mobile ta haɓaka tsarin gano kasancewar ɗan adam • An rufe ambulan buffer na iska • Tsarin sa ido kan karon jirgi mara matuƙi na ShockWatch • Farm State yana gano nau'in amfani da kadarori bisa bayanan firikwensin hankali • Kayan aikin cibiyar sadarwa na Verizon LTE yana ba da tashoshi na ƙasa a cikin bakan mara izini • Siyayyar Walmart Apollo tsarin taimakon kayan aiki, kayan aiki da hanya
Dallas Invents yana nazarin haƙƙin mallaka na Amurka masu alaƙa da yankin babban birni na Dallas-Fort Worth-Arlington kowane mako. Jerin ya haɗa da haƙƙin mallaka da aka baiwa waɗanda aka ba gida da/ko masu ƙirƙira a Arewacin Texas. Ana iya amfani da ayyukan haƙƙin mallaka a matsayin mai nuni ga ci gaban tattalin arziki na gaba da kuma bunƙasa kasuwanni masu tasowa da kuma kyawun basira. Ta hanyar bin diddigin masu ƙirƙira da rarrabawa a cikin yankin, muna nufin samar da ƙarin fahimtar ayyukan ƙirƙira a yankin. Ƙungiyar Haɗin gwiwar Haɗin Kai (CPC) ce ta shirya jerin.
A: Abubuwan buƙatun ɗan adam 13 B: Yi ayyuka; Transport 18 C: Chemistry; Metallurgy 2 E: Kafaffen Tsarin 8 F: Injiniyan injiniya; Haske; Dumama; Makamai; Fashewa 13 G: Physics 41 H: Wutar Lantarki 42
Texas Instruments Inc. (Dallas) 28 SanDisk Technologies LLC (Addison) 8 True Velocity IP Holdings LLC (Garland) 6 AT&T Intellectual Property I LP (Atlanta, Georgia) 5 International Business Machines Corp. (Amonk, New York) 4 Micron Technology Inc. (Boise), ID) 4 Toyota Motor Engineering Manufacturing North America Inc. (Plano) 4 AT&T Motsi II LLC (Atlanta, GA) 3 Nokia Solutions and Network (Espoo, FI) 3
Lonnie Burrow (Carrollton) 6 Benjamin Stassen Cook (Addison) 2 Bradley Gleaton (Dallas) 2 Devaki Chandramouli (Plano) 2 Erica Lea Boltz (Dallas) 2 Mary Nicole Hamilton (Heath) 2 Michael Scott Burnett (McKinney) 2 Randall May (Addison) ))) 2
Joe Chiarella, wanda ya kafa Patent Index ne ya bayar da bayanin lamba, kamfanin bincike na haƙƙin mallaka kuma mawallafin The Inventiveness Index.
Don ƙarin cikakkun bayanai game da waɗannan haƙƙin mallaka masu zuwa, da fatan za a bincika cikakken ikon mallakar USPTO da bayanan hoto.
Mai ƙirƙira: Hwang-Hsing Chen (Allen, Texas) Wakili: Kamfanin Lauya da Ba a Raba: Jeff Williams PLLC Law Firm (na gida + 690 sauran hanyoyin jirgin ƙasa) Lambar aikace-aikacen, kwanan wata, saurin: 12/20/16476025 2017 (sakin aikace-aikacen kwanaki 1287)
Abstract: Biocidal rassa mahadi biguanide polymerized an shirya su ta polycondensation na sodium dicyandiamide tare da A-aiki na farko amines da/ko tetrafunctional amines na farko da kuma na zaɓi tare da difunctional primary amines. Idan aka kwatanta da mafi yawan kasuwancin layi na layi (ɗaya mai girma) mahaɗin biguanide na polymeric, mahadi na polymeric biguanide suna da nau'i mai nau'i biyu, wanda zai iya rufe saman ƙananan ƙwayoyin cuta kuma ya inganta tasirin su a matsayin biocides. Mafi girman juzu'i biyu na ƙirƙira na yanzu yana iyakance ɗauka, tarawa da sakin waɗannan polymers masu rassa zuwa ruwan tabarau na lamba. Sabili da haka, waɗannan polymers biguanides masu rassa na iya rage cytotoxicity, haɓaka daidaituwa, kuma sun dace da amfani da ido. Ana iya shirya polymers masu rassa sosai tare da ƙaramin amines na farko ko mara aiki. Ana iya shirya polymers masu haske da sauƙi tare da ƙaramin rabo na trifunctional tare da amines na farko na multifunctional da amines na farko na difunctional.
[A01N] Kiyaye jikin mutum ko dabba ko tsiro ko sassansa (kiyaye abinci ko abinci A23); biocides, alal misali a matsayin magungunan kashe qwari, magungunan kashe qwari ko maganin ciyawa (don likita, hakori ko dalilai na bayan gida Shirye-shiryen na iya kashe ko hana girma ko yaduwa na kwayoyin cutarwa A61K); maganin kwari ko jan hankali; Mai sarrafa ci gaban shuka (cakuda da magungunan kashe qwari da taki C05G)
Mai ƙirƙira: Jesse Craig (Mansfield, Texas) Maƙasudi: Kamfanin Lauya Ba a Rarraba: Rukunin Kayayyakin Hannun Hannu na Gulf Coast (ofishin da ba na gida ba) Lambar aikace-aikacen, kwanan wata, saurin gudu: 16597158 a 10/09/2019 (sakin aikace-aikacen kwanaki 629)
Abstract: Kwalkwali mai aminci da aka yi amfani da shi don ba wa mai sawa sanarwar yuwuwar haɗarin aminci, inda sanarwar ke watsawa ta hanyar tafiyar da kashi da kuma daidaitawa da alkiblar haɗarin haɗari. Kwalkwali na aminci na wannan ƙirƙira ya haɗa da babban jiki, wanda a ciki aka samar da firikwensin matsayi a babban jiki. Na'urar firikwensin wuri yana watsa sigina don gano haɗarin haɗari a cikin yankin kusa da mai amfani. Ana daidaita firikwensin matsayi zuwa kwalkwali mai aminci ta amfani da madaidaicin, inda madaidaicin firikwensin yana da yanayin farko da yanayin na biyu. Ana iya aiki da mai jigilar kashi don tabbatar da cewa an aika sautin gargaɗi ga mai amfani a cikin yanayi mai hayaniya. An saita firikwensin tsayi don lura da tsayin mai sawa dangane da ƙasa daidaitawa.
Tef mai gefe biyu tare da takardar saki, wanda zai iya haɓaka mannewa da ƙimar cire takalma zuwa fata. Bayani na 11044966
Mai ƙirƙira: Barbara M. Reder (Fort Worth, Texas), Lindsay S. Kleinsasser (Fort Worth, Texas) Wakili: Ste-Ke Enterprises, LLC (Fort Worth, Texas) Fort) Kamfanin Lauya: Maschoff Brennan (Ofisoshin 5 da ba na gida ba ) Lambar aikace-aikace, kwanan wata, gudun: 16543908 a kan Agusta 19, 2019 (680 kwanaki saki aikace-aikace)
Takaitawa: Kit ɗin ya haɗa da tef da umarni don haɗa fata zuwa takalma. Tef ɗin yana da: substrate; gefen insole tare da mannen insole; insole roba liner rufe insole manne; gefen fata tare da mannen fata, wanda a ciki mannen fata yana da halaye daban-daban da mannen insole; rufe mannen fata Ƙwararrun mannen fata na cakuda; da takardar sakin da aka kafa ta wani ɓangare na gefen insole na tushe ba tare da mannen insole ba. Tef ɗin na iya samun zaɓuɓɓuka masu zuwa: takardar sakin da ke a ƙarshen madaidaicin madaidaicin; idan aka kwatanta da gefen fata, gefen insole na substrate yana da ƙananan yuwuwar mannewa, wanda ke haifar da ɓangaren insole ya kasance ƙasa da m fiye da gefen fata; ko insole m Idan aka kwatanta da mannen fata, yana da ƙarancin mannewa, wanda ke haifar da adhesives ɗin da ba su da danko fiye da mannen fata.
Mai ƙirƙira: John R. Fossez (Frisco, Texas) Wakili: Howmedica Osteonics Corp. (Mawa, New Jersey) Kamfanin Lauya: Lerner, David, Littenberg, Krumholz Mentlik, LLP (Ofishin ba na gida 1) A'a., Kwanan wata, Sauri : 16229665 akan 12/21/2018 (app na kwanaki 921 don fitowa)
Abstract: Hanyoyin gwaji masu ƙarfi galibi suna ƙyale likitocin fiɗa su yi ɓangarorin ƙashi na farko na femur mai nisa bisa lankwasa ko lebur juzu'i. Yin amfani da bayanin martaba mai lankwasa, za a iya amfani da ɗigon femoral condyle mai nisa azaman kayan gwaji na femur bayan ƙaddamarwar kashi na farko. Wannan zai iya kawar da buƙatar daban-daban na gwajin gwajin mata na mata, rage farashi da rikitarwa na aiki. Don ƙwanƙolin ɓangarorin shirin, bayan ƙaddamarwar kashi na farko, za a iya haɗa wani wuri mai sarari ko zamiya mai kama da abin da aka haɗa tare da distal na baya na abin da aka saka na ƙarshe a cikin femur mai nisa don sauƙaƙe gwajin ciki. Hanyar da abubuwan da ke da alaƙa za su iya ba da likitocin tiyata tare da ikon yin nazari na kinematic na intraoperative da kuma daidaita rata, da kuma samar da likitocin da za su iya yin aikin jijiya mai mahimmanci da / ko sauran sakin nama mai laushi da kyau-daidaita matsayi na ƙarshe dangane da data samu. Ability a lokacin tiyata.
Tsarin tiyata na ido don jiko da isar da abu ta hanyar jiko cannula Patent No. 11045353
Mai ƙirƙira: Paul R. Hallen (Colliville, Texas) Wakili: Alcon Inc. (Fribourg, Switzerland) Ƙarfin Shari'a: Babu mai ba da shawara ta doka Lambar aikace-aikacen, kwanan wata, gudun: 15975934 a watan Mayu 2018 10th (1146) kwanakin aikace-aikacen saki)
Takaitawa: A wasu sifofi, ana iya saita bawul ɗin kaset ɗin ophthalmic don sarrafa kwararar jiko da abubuwan gani (misali, magungunan ophthalmic, kayan facin ido, ko dyes na ido) zuwa cannula jiko. Ana iya saita bawul ɗin don samar da madadin ko gauraye kwararar ruwan jiko da abun gani zuwa jiko cannula. A wasu sifofi, kaset ɗin na iya haɗawa da ɗakunan abubuwa da yawa tare da abubuwa daban-daban. Har ila yau harsashi na iya haɗawa da bawuloli ɗaya ko fiye don sarrafa kwararar ruwan jiko (misali, buɗe/rufe kowane abu da ruwan jiko da/ko rabon abun da ruwan jiko).
[A61F] Matatun da za a iya dasa su a cikin tasoshin jini; gabobi na wucin gadi; na'urorin da ke ba da ɓacin rai ko hana rushewar tsarin tubular jiki, kamar stent; likitocin orthopedics, jinya ko na'urorin hana haihuwa; ƙarfafawa; magani ko kare idanu ko kunnuwa; bandeji, riguna, ko kushin Absorbent; Kit ɗin taimakon farko (haƙori A61C) [2006.01]
Masu ƙirƙira: David Gan (Tafkin Kudu, TX), Jim Faller (Williamsville, NY), Lisa Mangos (Katy, TX), Michelle Hines (Hickory Creek, TX) maƙasudi: Belaj Innovations LLC (Dallas, Texas) Kamfanin Lauya: Norton Rose Fulbright US LLP (na gida + 13 sauran garuruwa) Lambar aikace-aikacen, kwanan wata, saurin: 16554037 akan Agusta 28, 2019 (kwanaki 671 bayan an fitar da aikace-aikacen)
Abstract: An bayyana abun da ke ciki da hanyar amfani da shi, wanda ya ƙunshi [i] magnolia [/i] tsantsa haushi, [i] innabi [/ i] tsantsa, tocopherol ko tocopherol acetate, da hydrogenated Lecithin, lecithin ko dextrin.
[A61K] Shirye-shirye don dalilai na likita, hakori ko bayan gida (musamman masu dacewa da na'urori ko hanyoyin yin magunguna cikin takamaiman nau'ikan jiki ko na gudanarwa; abubuwan sinadarai na A61J 3/00 ko kayan da aka yi amfani da su don lalatawar iska, disinfection ko haifuwa Amfani da ko don bandeji, riguna, fakitin abin sha ko kayan aikin tiyata A61L; abun da ke cikin sabulu C11D)
Haɗawa da hanya don gudanar da intrathecal na MCOPPB don jin zafi Patent No. 11045459
Mai ƙirƙira: Barton Harley Manning (Arlington, Texas) Wakili: Centrexion Therapeutics Corporation (Boston, Massachusetts) Lauya Firm: Dechert LLP (7 ofisoshin da ba na gida ba) Lambar aikace-aikace, kwanan wata, gudun: 10/16589218 01/2019 (637 kwanaki bayan an saki aikace-aikace)
Abstract: Ƙirƙirar yanzu tana ba da abun da ke ciki da kuma hanya don gudanar da intrathecal na hadaddun MCOPPB ko gishiri mai karɓa na magani don maganin ciwo, irin su ciwon neuropathic da manya ke sha.
[A61K] Shirye-shirye don dalilai na likita, hakori ko bayan gida (musamman masu dacewa da na'urori ko hanyoyin yin magunguna cikin takamaiman nau'ikan jiki ko na gudanarwa; abubuwan sinadarai na A61J 3/00 ko kayan da aka yi amfani da su don lalatawar iska, disinfection ko haifuwa Amfani da ko don bandeji, riguna, fakitin abin sha ko kayan aikin tiyata A61L; abun da ke cikin sabulu C11D)
Mai ƙirƙira: Aaron D. Simmons (Fort Worth, Texas) Wakili: Masu Mulki na Jami'ar Oklahoma (Norman, Ohio) Kamfanin Shari'a: Hall Estill Law Firm (Ofisoshin 3 da ba na gida ba) ) Aikace-aikacen A'a., Kwanan wata, Gudun: 16102306 on 08/13/2018 (1051 kwanaki app don fitowa)
Abstract: Tsarin samar da ginin kasusuwa, gami da matakan samar da kayan aikin jijiya tare da mashigai da hanyar fita; samar da ɓangarorin shuka don perfusion bioreactor, ɓangarorin ciki har da ɓangarorin ɓangarorin da aka shuka tare da ƙwayoyin sel masu tsaka-tsaki; ta yin amfani da osteogenesis Matsakaicin shigar (bambanci) yana ci gaba da ruɓa tare da ƙwanƙolin allurar; narkar da abun ciki na iskar oxygen na osteoinductive matsakaici a mashigai da fitarwa ana aunawa don ƙayyade adadin iskar oxygen (OUR) na inoculated stent; ana auna abun ciki na glucose na matsakaicin osteoinductive don ƙayyade ƙwayar ƙwayar ƙwayar glucose (GCR) na stent; bayan an ƙaddara rabon OUR zuwa GCR (OUR/GCR) don ƙetare ƙayyadaddun ƙofa na ƙimar MU/GCR, stent ɗin da aka yi amfani da shi yayin da aka fitar da tsarin ƙashi daga ma'ajin perfusion.
[A61L] Hanyoyi ko na'urori don lalata kayan gabaɗaya ko abubuwa; disinfection, sterilization ko deodorization na iska; abubuwan sinadarai na bandages, riguna, faɗuwar ruwa ko kayan aikin tiyata; kayan don bandages, miya, abubuwan sha ko kayan aikin tiyata (tare da reagents da aka yi amfani da su A01N don maganin rigakafi ko lalata gawarwakin da ke da halaye; adanawa, kamar lalata abinci ko abinci A23; shirye-shiryen likita, hakori ko dalilan bayan gida A61K) [4]
Jiyya na Ƙarfafa Tissue Filse Electromagnetic Filayen Lantarki da Lamba Kulawa da Biyayya: 11045647
Masu kirkiro: Bobby Don Harris (Lewisville, Texas), James Sterling Denton (Lewisville, Texas), James T. Ryaby (Lewisville, Texas), Jeffrey James Culhane (Texa Lewisville, Texas), Jonelle Matilda Juricek (Lewisville, Texas), Lesley Allen Bowling (Lewisville, T Wakili: ORTHOFIX INC. (Lewisville, Texas) Law Firm: Haynes da Boone , LLP (na gida + 13 sauran subways) aikace-aikace lambar, kwanan wata, gudun: 16362022 a kan 03/22/2019 (830 kwanaki saki aikace-aikace )
Abstract: Tsari da hanya don injiniyan nama na PEMF yana haɓaka haɓakar ƙwayar tsoka ta hanyar lura da bin tsarin jiyya. Na'urar PEMF ta haɗa da firikwensin da ke gano halayen da ke nuna ko ana amfani da na'urar PEMF. Kayan aikin PEMF kuma sun haɗa da kayan sadarwar da ke haɗa shi da wasu kayan aiki. Ana iya amfani da bayanan da aka samu daga na'urori masu auna firikwensin don tantance matakin yarda da tsarin kulawa da majiyyaci lokacin amfani da na'urar injiniyan kyallen takarda. Ana watsa bayanan zuwa uwar garken nesa ta hanyar UE guda biyu. Sabar mai nisa tana adana bayanai a cikin ma'ajin bayanai kuma a kai a kai yana haifar da rahotannin yarda. Ana raba rahoton yarda tare da na'urorin samun biyan kuɗi ciki har da masu ba da izini ga likitoci. UE wanda aka haɗa tare da na'urar PEMF tana kiyaye kalandar jiyya kuma tana canza masu tuni akan yanayin jiyya na yanzu. Za a iya sabunta tsarin jiyya kuma a aika zuwa na'urar PEMF.
[A61N] Electrotherapy; Maganin Magnetic; Radiotherapy; Ultrasound Therapy (Ma'auni na Bioelectric A61B na yanzu; Kayan aikin tiyata, na'urori ko hanyoyin da ake amfani da su don canja wurin nau'ikan makamashin da ba na injiniyoyi ba zuwa ko daga jiki A61B 18/00; kayan aikin sa barci na yau da kullun A61M; fitilar wuta H01K; infrared radiator don dumama H05B) [ 6]
Mai ƙirƙira: Donetta Fulsom (Dallas, Texas), Sharon Hicks (Duncanville, Texas) Maƙasudi: Kamfanin Shari'a Ba a Raba: Babu Lambar Aikace-aikacen Ba da Shawarar Shari'a, Kwanan wata, Gudun: 12/27/2019 (aiki kwanaki 550) da aka bayar)
Abstract: Na'urar bel ɗin motsa jiki mai ɗaukar nauyi don inganta dacewa da horar da lafiya, gami da bel ɗin da ke shimfiɗa daga ƙarshen hagu zuwa ƙarshen dama. Ƙarshen hagu da ƙarshen dama suna da membobi na farko da na biyu, bi da bi. Memba na farko da mating na biyu suna zaɓin aiki don gyara bel ɗin da ke kusa da kugu na mai amfani, kuma ɓangaren tsakiya yana rufe ƙananan baya na mai amfani. Yawancin manyan sandunan nauyi suna haɗe zuwa jikin bel. Yawancin maganadiso suna haɗe zuwa tsakiyar ɓangaren bel ɗin. Kowane jam'in jakunkuna yana da jam'i na membobi masu shiga na farko. Memba mai shiga na farko ana iya zaɓin tsunduma tare da yawancin membobi masu jan hankali na biyu na jikin bel.
[A63B] Kayan aikin da ake amfani da su don horar da jiki, motsa jiki, yin iyo, hawan dutse ko shinge; wasan ƙwallon ƙafa; KAYAN TARBIYYA ( motsa jiki na motsa jiki, tausa A61H)
Mai kirkiro: Jeffrey J. Albertsen (Plano, Texas), Michael Scott Burnett (McKinney, Texas) Wakili: TAYLOR MADE GOLF COMPANY, INC. (Carlsbad, California) Lauya Firm: Dawsey Co., LPA (1 ba na gida ofishin) Aikace-aikace lamba, kwanan wata, gudun: 16524854 akan 07/29/2019 (kwana 701 sakin aikace-aikacen)
Abstract: Shugaban kulab ɗin wasan golf mai motsi mai ƙarfi tare da ƙaramin tsakiyar nauyi da raguwar jan iska. Shugaban kulob din yana da kaddarorin kambi da kaddarorin kayan aiki, wanda zai iya ba da halaye masu fa'ida a cikin iska da aiki.
[A63B] Kayan aikin da ake amfani da su don horar da jiki, motsa jiki, yin iyo, hawan dutse ko shinge; wasan ƙwallon ƙafa; KAYAN TARBIYYA ( motsa jiki na motsa jiki, tausa A61H)
Masu kirkiro: Bryan Seon (Garland, Texas), Jeffrey T. Halstead (Plano, Texas), Justin Girard (Dallas, Texas), Michael Scott Burnett (Texas McKinney) Wakili: TAYLOR MADE GOLF COMPANY, INC. (Carlsbad, California) Doka Firm: Dawsey Co., LPA (Ofishin 1 ba na gida ba) Lambar aikace-aikacen, kwanan wata, saurin: 16786430 a cikin 2020 Fabrairu 10, 2015 (kwanaki 505 bayan an ba da aikace-aikacen)
Abstract: Ƙwallon golf irin na ƙarfe tare da fasalin rage damuwa, wanda zai iya haɗa da rami. Wuri da girman fasalulluka masu rage damuwa da ramuka suna ƙara karkatar da ƙasa.
[A63B] Kayan aikin da ake amfani da su don horar da jiki, motsa jiki, yin iyo, hawan dutse ko shinge; wasan ƙwallon ƙafa; KAYAN TARBIYYA ( motsa jiki na motsa jiki, tausa A61H)
Masu kirkiro: Blair M. Philip (Dallas, Texas), Byron H. Adams (Indian Wells, California), James P. MacKay (Littleton, Massachusetts), Jeffrey T. Halstead (Texas State Wylie), Robert E. Stephens (Fort Worth) , Texas), Trever M. Napier (Plano, Texas) Wakili: BREAKTHROUGH GOLF TECHNOLOGY, LLC (Dallas, Texas) Lauya Firm: Dawsey Co., LPA (1 ba na gida ofishin) lambar aikace-aikace, kwanan wata, gudun: 16983009 a kan 08 /03/2020 (kwanaki 330 bayan an fitar da aikace-aikacen)
Abstract: Ramin wasan golf da yawa yana da ɓangaren gindin da ke da alaƙa da wani yanki na tukwici kuma yana da alaƙa na musamman, gami da ƙaƙƙarfan dangantaka, wanda ke ba da halayen aiki masu fa'ida.
[A63B] Kayan aikin da ake amfani da su don horar da jiki, motsa jiki, yin iyo, hawan dutse ko shinge; wasan ƙwallon ƙafa; KAYAN TARBIYYA ( motsa jiki na motsa jiki, tausa A61H)
Mai ƙirƙira: Harry Rosario (Fort Worth, Texas) Wakili: Kamfanin Lauya Ba a Rattaba hannu: Babu Lambar Aikace-aikacen Lauya, Kwanan wata, Sauri: 15190552 akan Yuni 23, 2016 (kwanaki 1832 bayan an ba da aikace-aikacen)
Abstract: Hanya mai sarrafa kansa da na'ura don kera ginshiƙan shinge na ƙarfe a cikin aiki guda ɗaya, wanda ya haɗa da ƙirƙirar kayan, yawanci tsiri na ƙarfe, zuwa cikin maƙalai da yawa masu siffofi daban-daban. Injin ya haɗa da na'ura mai sarrafa kansa don shigar da albarkatun ƙasa don samar da shingen shinge na ƙarfe, na'ura mai sarrafa kansa don ɗaukar ginshiƙan shinge na ƙarfe, mai ɗaukar shirye-shirye mai sarrafa kansa don isar da albarkatun ƙasa, don yankan, ɓarnawa da nadawa atomatik kayan injin da za a iya samar da kayan albarkatun ƙasa. karfe shinge tara.
[B21D] Sarrafa ko sarrafa kayan ƙarfe ko bututun ƙarfe, sanduna ko bayanan martaba, amma a zahiri babu wani abu da aka cire; karfen hatimi (aiki ko sarrafa sandar waya B21F)