Inventor · disambiguated record
Christopher Dufresne
Also filed as: DUFRESNE CHRISTOPHER · DUFRESNE CHRISTOPHER M
7 granted patents·351 citations·filing 1988–1998
89Inventor score
Files withBECTON DICKINSON CO7
Top patents by PatentIndex Score
7 records- 0180US4830217ABody fluid sample collection tube assemblyBECTON DICKINSON CO·Filed 1988·Granted May 16, 1989·105 cites·6 claims
- 0275US5914272ATest method for determining the erythrocyte sedimentation rate and a surfactant for use thereinBECTON DICKINSON CO·Filed 1998·Granted Jun 22, 1999·50 cites·2 claims
- 0366US5745227AMethod and apparatus for determining the erythrocyte sedimentation rateBECTON DICKINSON CO·Filed 1996·Granted Apr 28, 1998·35 cites·7 claims
- 0460US4867746ANeedle shieldBECTON DICKINSON CO·Filed 1988·Granted Sep 19, 1989·82 cites·3 claims
- 0549US5779983ATest tube for determining the erythrocyte sedimentation rate and a surfactant for use thereinBECTON DICKINSON CO·Filed 1996·Granted Jul 14, 1998·33 cites·8 claims
- 0640US5607402APre-assembled safety needle holderBECTON DICKINSON CO·Filed 1994·Granted Mar 4, 1997·29 cites·10 claims
- 0733US5817065APre-assembled safety needle holderBECTON DICKINSON CO·Filed 1997·Granted Oct 6, 1998·17 cites·1 claims
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