Inventor · disambiguated record
Frederick F. Stevens
Also filed as: STEVENS FREDERICK F · STEVENS JR FREDERICK F
6 granted patents·111 citations·filing 1974–1985
84Inventor score
Top patents by PatentIndex Score
6 records- 0178US3933282AUniversal tavern unit for keg tapping deviceHOFF STEVENS·Filed 1974·Granted Jan 20, 1976·33 cites·6 claims
- 0273US4400900AMulti-barrel handgun firing mechanismHILLBERG ROBERT L·Filed 1981·Granted Aug 30, 1983·28 cites·11 claims
- 0364US4407085AHandgun firing mechanismHILLBERG ROBERT L·Filed 1981·Granted Oct 4, 1983·21 cites·13 claims
- 0456US4646458ARimless cartridge extractorBELLMORE JOHNSON TOOL COMPANY·Filed 1985·Granted Mar 3, 1987·19 cites·11 claims
- 0539US4472901APistol grip assemblyHILLBERG ROBERT L·Filed 1981·Granted Sep 25, 1984·7 cites·15 claims
- 0631US4392320ATrigger retaining and stabilizing meansHILLBERG ROBERT L·Filed 1982·Granted Jul 12, 1983·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →