Individual holder
PRESTON HOWARD J
4 granted patents·101 citations·filing 1982–1991
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0181US5092670AAutomatic focusing system for use with a motion picture cameraPRESTON HOWARD J·Filed 1991·Granted Mar 3, 1992·67 cites·5 claims
- 0270US4458992AAutomatic exposure correction systemPRESTON HOWARD J·Filed 1982·Granted Jul 10, 1984·11 cites·8 claims
- 0369US5076686AAutomatic focusing system for use with a motion picture cameraPRESTON HOWARD J·Filed 1990·Granted Dec 31, 1991·15 cites·2 claims
- 0441US4862046AZoom motor controlPRESTON HOWARD J·Filed 1982·Granted Aug 29, 1989·8 cites·3 claims
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