Inventor · disambiguated record
William Halopoff
Also filed as: HALOPOFF WILLIAM · HALOPOFF WILLIAM E
4 granted patents·115 citations·filing 1976–1992
79Inventor score
Top patents by PatentIndex Score
4 records- 0184US5379923AHopper for a weighing machineEAGLE PACKAGING CORP·Filed 1992·Granted Jan 10, 1995·69 cites·8 claims
- 0257US4082133ASectional garage door spring containerHALOPOFF WILLIAM·Filed 1977·Granted Apr 4, 1978·20 cites·5 claims
- 0357US4057235ASpring retainer for garage door hardwareHALOPOFF WILLIAM·Filed 1976·Granted Nov 8, 1977·20 cites·5 claims
- 0435US4076433AAttachment for garage door springHALOPOFF WILLIAM·Filed 1976·Granted Feb 28, 1978·6 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →