Inventor · disambiguated record
Harold M. Grinwald
Also filed as: GRINWALD HAROLD M
3 granted patents·34 citations·filing 1979–1994
69Inventor score
Top patents by PatentIndex Score
3 records- 0151US5464178ANeon tube supportEVERBRITE INC·Filed 1994·Granted Nov 7, 1995·22 cites·7 claims
- 0242US4253171AElectromechanical character displayEVERBRITE ELECTRIC SIGNS·Filed 1979·Granted Feb 24, 1981·7 cites·10 claims
- 0330US4783923AActuator for sliding panel signsEVERBRITE ELECTRIC SIGNS·Filed 1987·Granted Nov 15, 1988·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →