Individual holder
HARPER CLARK N
US·4 granted patents·60 citations·filing 1989–2018
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0188US9308484B1Environmental air filter systemHARPER CLARK N·Filed 2014·Granted Apr 12, 2016·17 cites·20 claims
- 0264US5036952ALoad lift truckHARPER CLARK N·Filed 1989·Granted Aug 6, 1991·24 cites·11 claims
- 0359US5143180ALoad lift truckHARPER CLARK N·Filed 1991·Granted Sep 1, 1992·19 cites·11 claims
- 0443US11493212B1Air filtration and cooling systemHARPER CLARK N·Filed 2018·Granted Nov 8, 2022·0 cites·6 claims
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