Individual holder
DANG CHI H
US·3 granted patents·93 citations·filing 1987–1988
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0172US4822036AIsokinetic physical exercise apparatus with controllable minimum resistanceDANG CHI H·Filed 1988·Granted Apr 18, 1989·44 cites·3 claims
- 0268US4750738APhysical exercise apparatus for isokinetic and eccentric trainingDANG CHI H·Filed 1987·Granted Jun 14, 1988·38 cites·6 claims
- 0336US4751440AElectrical control circuit for isokinetic exercise equipmentDANG CHI H·Filed 1987·Granted Jun 14, 1988·11 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →