Assignee
HALOPOFF WILLIAM
3 granted patents·46 citations·filing 1976–1977
Top patents by PatentIndex Score
3 records- 0157US4082133ASectional garage door spring containerHALOPOFF WILLIAM·Filed 1977·Granted Apr 4, 1978·20 cites·5 claims
- 0257US4057235ASpring retainer for garage door hardwareHALOPOFF WILLIAM·Filed 1976·Granted Nov 8, 1977·20 cites·5 claims
- 0335US4076433AAttachment for garage door springHALOPOFF WILLIAM·Filed 1976·Granted Feb 28, 1978·6 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →