Individual holder
CLARK RONALD M
US·5 granted patents·180 citations·filing 1980–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0186US5069090AMulti-purpose container opening toolCLARK RONALD M·Filed 1990·Granted Dec 3, 1991·58 cites·3 claims
- 0286US4536910ASpatula type hand toolCLARK RONALD M·Filed 1982·Granted Aug 27, 1985·44 cites·6 claims
- 0375US4884312AHand trowelCLARK RONALD M·Filed 1987·Granted Dec 5, 1989·30 cites·2 claims
- 0475US4316302ATrowelCLARK RONALD M·Filed 1980·Granted Feb 23, 1982·29 cites·9 claims
- 0552US4698870AMulti-size grout striking toolCLARK RONALD M·Filed 1986·Granted Oct 13, 1987·19 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →