Assignee
CHANG CHESTER
TW·3 granted patents·157 citations·filing 1989–1991
Top patents by PatentIndex Score
3 records- 0183US4961570AExercising mechanism for simulating climbing a ladderCHANG CHESTER·Filed 1989·Granted Oct 9, 1990·88 cites·2 claims
- 0266US4962925AExercise bicycleCHANG CHESTER·Filed 1989·Granted Oct 16, 1990·42 cites·1 claims
- 0351US5203751AExercise mechanismCHANG CHESTER·Filed 1991·Granted Apr 20, 1993·27 cites·2 claims
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