Individual holder
CLARK JOSEPH H
US·3 granted patents·64 citations·filing 1974–1981
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0178US4488970ADiesel fuel monitor system, negative pressure typeCLARK JOSEPH H·Filed 1981·Granted Dec 18, 1984·30 cites·11 claims
- 0269US4040289AMethod and arrangement for air testing of sewer lateral connectionsCLARK JOSEPH H·Filed 1974·Granted Aug 9, 1977·21 cites·1 claims
- 0352US4227173ADiesel fuel monitor systemCLARK JOSEPH H·Filed 1979·Granted Oct 7, 1980·13 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →