Individual holder
HOPP HAROLD P
5 granted patents·42 citations·filing 1975–1979
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0151US4241491AMethod of installing captive type spark plug gasket with low profile locking tabsHOPP HAROLD P·Filed 1979·Granted Dec 30, 1980·12 cites·2 claims
- 0247US3948532ACaptive type sparkplug gasketHOPP HAROLD P·Filed 1975·Granted Apr 6, 1976·11 cites·2 claims
- 0340US4064612ALocking type gasket for spark plugs having fully threaded shanks and tool thereforHOPP HAROLD P·Filed 1976·Granted Dec 27, 1977·6 cites·2 claims
- 0436US4168839AMeans and method for installing captive type spark plug gasketsHOPP HAROLD P·Filed 1977·Granted Sep 25, 1979·8 cites·1 claims
- 0532US4003120ACaptive type spark plug gasket and tool for installing sameHOPP HAROLD P·Filed 1975·Granted Jan 18, 1977·5 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →