Individual holder
ALLEN WILLIAM P
2 granted patents·1 pending application·108 citations·filing 1975–2004
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0197US4017152APortable projection screenALLEN WILLIAM P·Filed 1975·Granted Apr 12, 1977·93 cites·18 claims
- 0264US4078793APortable apparatus for delineating a playing areaALLEN WILLIAM P·Filed 1975·Granted Mar 14, 1978·15 cites·4 claims
- 0340US2006180512A1Methods and apparatus for sifting materialALLEN WILLIAM P·Filed 2004·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →