Inventor · disambiguated record
William Deforrest, Sr.
Also filed as: DEFORREST SR WILLIAM · DEFORREST WILLIAM
7 granted patents·217 citations·filing 1986–1989
87Inventor score
Top patents by PatentIndex Score
7 records- 0188US4852920ASelf protecting haspDEFORREST WILLIAM SR·Filed 1987·Granted Aug 1, 1989·68 cites·14 claims
- 0275US4798069AProtecting device for lever handle door locksDEFORREST WILLIAM SR·Filed 1988·Granted Jan 17, 1989·35 cites·2 claims
- 0372US4926670AExtension for mortise cylinderMAJOR LOCK SUPPLY INC·Filed 1989·Granted May 22, 1990·39 cites·22 claims
- 0466US4798065ALock having a reversible right and left hand boltDEFORREST WILLIAM SR·Filed 1987·Granted Jan 17, 1989·25 cites·17 claims
- 0565US4877275AProtected sliding bolt locking structureDEFORREST WILLIAM SR·Filed 1988·Granted Oct 31, 1989·24 cites·18 claims
- 0660US4861079AMulti-purpose lock boltDEFORREST WILLIAM SR·Filed 1987·Granted Aug 29, 1989·26 cites·19 claims
- 0722USD302953SLock status indicatorDEFORREST WILLIAM·Filed 1986·Granted Aug 22, 1989·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →