Inventor · disambiguated record
David Shonfeld
Also filed as: SHONFELD DAVID
5 granted patents·385 citations·filing 1993–1997
86Inventor score
Technology areasA61M
Top patents by PatentIndex Score
5 records- 0166US6283941B1Single-use syringe with aspirating mechanismUNIVEC INC·Filed 1996·Granted Sep 4, 2001·113 cites·19 claims
- 0258US5370620ASingle use hypodermic syringeFiled 1993·Granted Dec 6, 1994·95 cites·24 claims
- 0354US5562623ASingle-use syringe assembly including spring clip lock and plungerUNIVEC·Filed 1994·Granted Oct 8, 1996·75 cites·27 claims
- 0447US5531691ASingle use syringe assemblyUNIVEC INC·Filed 1994·Granted Jul 2, 1996·59 cites·17 claims
- 0543US5891104AHypodermic syringe having retractable needleUNIVEC INC·Filed 1997·Granted Apr 6, 1999·43 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →