Inventor · disambiguated record
William H. Grehl
Also filed as: GREHL WILLIAM · GREHL WILLIAM H
5 granted patents·155 citations·filing 1976–1998
84Inventor score
Technology areasF41A
Top patents by PatentIndex Score
5 records- 0182US4270295AFiring-pin blocking device for firearmsMOSSBERG & SONS O F·Filed 1979·Granted Jun 2, 1981·33 cites·6 claims
- 0282US4087930AMagazine cap retaining means for tubular magazine firearmsMOSSBERG & SONS O F·Filed 1976·Granted May 9, 1978·33 cites·3 claims
- 0375US4505183AGas actuated operating mechanism for autoloading firearmMOSSBERG & SONS O F·Filed 1982·Granted Mar 19, 1985·30 cites·18 claims
- 0470US4754689ACombination plastic spring guide and buffer for automatic pistolCOLT IND INC·Filed 1987·Granted Jul 5, 1988·29 cites·3 claims
- 0564US5941005ASafety and bolt assembly system for firearmsMOSSBERG & SONS O F·Filed 1998·Granted Aug 24, 1999·30 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →