Individual holder
HAGEMAN JOHN P
4 granted patents·124 citations·filing 1984–1988
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0180US4599258AIn situ roofing composite and methodHAGEMAN JOHN P·Filed 1985·Granted Jul 8, 1986·48 cites·20 claims
- 0274US4837095AIn situ roofing composite and method utilizing wider polyesterHAGEMAN JOHN P·Filed 1986·Granted Jun 6, 1989·31 cites·11 claims
- 0374US4521478AIn situ roofing composite and methodHAGEMAN JOHN P·Filed 1984·Granted Jun 4, 1985·36 cites·18 claims
- 0445US4925494AFlame retardant asphalt coatingHAGEMAN JOHN P·Filed 1988·Granted May 15, 1990·9 cites·17 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →