Individual holder
HOLLOWELL JOHN R
5 granted patents·147 citations·filing 1974–1988
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0184US3961743APlastic bag and method of manufactureHOLLOWELL JOHN R·Filed 1974·Granted Jun 8, 1976·65 cites·1 claims
- 0261US4535501ABattery powered vacuum trash collectorHOLLOWELL JOHN R·Filed 1983·Granted Aug 20, 1985·24 cites·15 claims
- 0360US4911673AToy viewing apparatus assembly kitHOLLOWELL JOHN R·Filed 1988·Granted Mar 27, 1990·21 cites·12 claims
- 0457US4643776ABattery powered vacuum trash collectorHOLLOWELL JOHN R·Filed 1985·Granted Feb 17, 1987·24 cites·9 claims
- 0541US4702037AService windowHOLLOWELL JOHN R·Filed 1986·Granted Oct 27, 1987·13 cites·41 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →