Individual holder
BLACK WILLIAM L
US·3 granted patents·164 citations·filing 1979–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0185US4995374AThrow and fetch doggie toyBLACK WILLIAM L·Filed 1990·Granted Feb 26, 1991·87 cites·66 claims
- 0283US5076261AMotor-driven therapeutic apparatusBLACK WILLIAM L·Filed 1989·Granted Dec 31, 1991·72 cites·58 claims
- 0335US4258625ABall-actuated tubular projectileBLACK WILLIAM L·Filed 1979·Granted Mar 31, 1981·5 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →