Individual holder
KNOWLTON GLENN C
US·4 granted patents·24 citations·filing 1987–1991
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0144US5265633AParts washerKNOWLTON GLENN C·Filed 1991·Granted Nov 30, 1993·15 cites·19 claims
- 0242USD339666SParts washerKNOWLTON GLENN C·Filed 1990·Granted Sep 21, 1993·5 cites·1 claims
- 0326US4957579AMethod and apparatus for applying liquid acid to a surfaceKNOWLTON GLENN C·Filed 1989·Granted Sep 18, 1990·2 cites·4 claims
- 0426US4834803AMethod and apparatus for applying liquid acid to a surfaceKNOWLTON GLENN C·Filed 1987·Granted May 30, 1989·2 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →