Inventor · disambiguated record
Penelope R. Sisson
Also filed as: SISSON PENELOPE R
7 granted patents·586 citations·filing 1986–1995
90Inventor score
Technology areasA61M
Top patents by PatentIndex Score
7 records- 0190US4826490ASafety device for hypodermic needle or the likeNAT RES DEV·Filed 1986·Granted May 2, 1989·250 cites·10 claims
- 0262US5084030ASafety device for hypodermic needle or the likeNAT RES DEV·Filed 1990·Granted Jan 28, 1992·105 cites·9 claims
- 0361US4957490AInjection deviceNAT RES DEV·Filed 1987·Granted Sep 18, 1990·87 cites·13 claims
- 0457US5601535ASafety device for hypodermic needle or the likeBRITISH TECH GROUP·Filed 1993·Granted Feb 11, 1997·68 cites·20 claims
- 0537US5536257ASafety device for hypodermic needle or the likeBRITISH TECH GROUP·Filed 1995·Granted Jul 16, 1996·27 cites·2 claims
- 0637US4990141ASingle-use syringeNAT RES DEV·Filed 1989·Granted Feb 5, 1991·24 cites·6 claims
- 0736US5549572ASafety device for hypodermic needle or the likeBRITISH TECH GROUP·Filed 1995·Granted Aug 27, 1996·25 cites·4 claims
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