Individual holder
ONKEN DONALD R
3 granted patents·63 citations·filing 1982–1995
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0180US4450828ATruck having equipment for on-site heating and collecting used grease from containersONKEN DONALD R·Filed 1982·Granted May 29, 1984·37 cites·5 claims
- 0260USD373876SContainer lidONKEN DONALD R·Filed 1995·Granted Sep 17, 1996·11 cites·1 claims
- 0340US4624468AWheel carriage accessory for rendering waste containers moveableONKEN DONALD R·Filed 1986·Granted Nov 25, 1986·15 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →