Inventor · disambiguated record
David A. Birkner
Also filed as: BIRKNER DAVID A
10 granted patents·1 pending application·256 citations·filing 1984–2015
92Inventor score
Top patents by PatentIndex Score
11 records- 0193US6514461B1System for automatically testing a fluid specimenESCREEN INC·Filed 1999·Granted Feb 4, 2003·54 cites·11 claims
- 0291US7943381B2Method for testing specimens located at a plurality of service sitesESCREEN INC·Filed 2006·Granted May 17, 2011·11 cites·8 claims
- 0388US8455257B2System for automatically testing a fluid specimenLAPPE MURRAY I·Filed 2012·Granted Jun 4, 2013·5 cites·16 claims
- 0488US6964752B2System for automatically testing a fluid specimenESCREEN INC·Filed 2004·Granted Nov 15, 2005·22 cites·6 claims
- 0586US4727512AInterface adaptor emulating magnetic tape driveCOMPUTER DESIGN & APPLIC INC·Filed 1984·Granted Feb 23, 1988·96 cites·4 claims
- 0683US8202729B2Method for automatically testing a fluid specimenLAPPE MURRAY I·Filed 2011·Granted Jun 19, 2012·5 cites·8 claims
- 0782US7537733B2System for automatically testing a fluid specimenESCREEN INC·Filed 2004·Granted May 26, 2009·11 cites·6 claims
- 0882US6716393B2System for automatically testing a fluid specimenESCREEN INC·Filed 2002·Granted Apr 6, 2004·24 cites·7 claims
- 0967US4749990AImage display system and methodCOMPUTER DESIGN AND APPLIC INC·Filed 1985·Granted Jun 7, 1988·28 cites·18 claims
- 1065US2015227777A1System for securing a chain of custody of a specimen of a donorESCREEN INC·Filed 2015·Application pending·0 cites
- 1161US9018015B2Method of securing a chain of custody of a specimen of a donorESCREEN INC·Filed 2013·Granted Apr 28, 2015·0 cites·12 claims
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