Inventor · disambiguated record
Roy D. Hoffer
Also filed as: HOFFER ROY D
4 granted patents·127 citations·filing 1986–1991
79Inventor score
Top patents by PatentIndex Score
4 records- 0181US5136216AAc motor drive systemYORK INT CORP·Filed 1991·Granted Aug 4, 1992·47 cites·34 claims
- 0279US5146147AAc motor drive systemYORK INT CORP·Filed 1991·Granted Sep 8, 1992·43 cites·25 claims
- 0370US4697122ASlow acting photo lamp controlARMSTRONG WORLD IND INC·Filed 1986·Granted Sep 29, 1987·31 cites·8 claims
- 0430US4798998AElectronically dimmed power limited lighting systemARMSTRONG WORLD IND INC·Filed 1986·Granted Jan 17, 1989·6 cites·8 claims
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