Individual holder
CLARK DONALD Y
4 granted patents·71 citations·filing 1978–1981
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0179US4164327AGrain spreaderCLARK DONALD Y·Filed 1978·Granted Aug 14, 1979·29 cites·17 claims
- 0275US4318511AMaterial spreader deviceCLARK DONALD Y·Filed 1980·Granted Mar 9, 1982·27 cites·11 claims
- 0342US4340310AControl mechanism for a grain bin stirring apparatusCLARK DONALD Y·Filed 1981·Granted Jul 20, 1982·10 cites·8 claims
- 0429US4322171AGrain stirring apparatusCLARK DONALD Y·Filed 1980·Granted Mar 30, 1982·5 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →