Inventor · disambiguated record
Richard U. Guth
Also filed as: GUTH RICHARD U
9 granted patents·291 citations·filing 1979–2011
91Inventor score
Top patents by PatentIndex Score
9 records- 0191US7404311B2Breath test simulatorGUTH LAB INC·Filed 2006·Granted Jul 29, 2008·21 cites·18 claims
- 0290US8667829B2Breath test simulator and methodGUTH RICHARD U·Filed 2011·Granted Mar 11, 2014·14 cites·21 claims
- 0390US7895878B1Breath test simulator and methodGUTH LAB INC·Filed 2009·Granted Mar 1, 2011·24 cites·42 claims
- 0489US6526802B1Portable breath test simulatorGUTH LAB INC·Filed 2001·Granted Mar 4, 2003·43 cites·15 claims
- 0587US7493793B2Breath test simulatorGUTH RICHARD U·Filed 2007·Granted Feb 24, 2009·18 cites·16 claims
- 0686US4407152ABreath test simulator and methodGUTH RICHARD U·Filed 1981·Granted Oct 4, 1983·55 cites·31 claims
- 0784US4353869AAmpoule assembly and holderGUTH RICHARD U·Filed 1981·Granted Oct 12, 1982·50 cites·10 claims
- 0872US4292978ABreath test mouthpieceGUTH RICHARD U·Filed 1979·Granted Oct 6, 1981·61 cites·23 claims
- 0951USD272559SBreath test mouth-pieceGUTH RICHARD U·Filed 1980·Granted Feb 7, 1984·5 cites·1 claims
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