Inventor · disambiguated record
Donald J. Dignan
Also filed as: DIGNAN DONALD J
6 granted patents·330 citations·filing 1979–1986
87Inventor score
Top patents by PatentIndex Score
6 records- 0195US4462486AFolding foot stepEASTERN CO·Filed 1983·Granted Jul 31, 1984·120 cites·9 claims
- 0293US4335595APaddle lock with handle disconnectEASTERN CO·Filed 1979·Granted Jun 22, 1982·76 cites·39 claims
- 0388USD276716SFolding stepTHE EASTERN CO·Filed 1983·Granted Dec 11, 1984·27 cites·1 claims
- 0487USD281665SCombined latch operating handle and handle housingTHE EASTERN CO·Filed 1983·Granted Dec 10, 1985·24 cites·1 claims
- 0587US4492394AAdjustable-grip latchEASTERN CO·Filed 1982·Granted Jan 8, 1985·61 cites·24 claims
- 0656US4714283AClamping type cabinet lockEASTERN CO·Filed 1986·Granted Dec 22, 1987·22 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →