Inventor · disambiguated record
David C. Longren
Also filed as: LONGREN DAVID C
3 granted patents·90 citations·filing 1992–1999
75Inventor score
Top patents by PatentIndex Score
3 records- 0176US5859090AInjection-modulable, polycaprolactone-based, biodegradable plastic articles such as shotshell components, and method of manufacturing sameFEDERAL CARTRIDGE COMPANY·Filed 1996·Granted Jan 12, 1999·35 cites·38 claims
- 0273US6202561B1Shotshell having pellets of different densities in stratified layersFEDERAL CARTRIDGE CO·Filed 1999·Granted Mar 20, 2001·37 cites·51 claims
- 0348US5175389AFrontally guided sabot bulletFEDERAL HOFFMAN INC D B A FEDE·Filed 1992·Granted Dec 29, 1992·18 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →