Assignee
CHEN KO-CHUAN
2 granted patents·34 citations·filing 1989–2009
Technology mixA61H2
Top patents by PatentIndex Score
2 records- 0173US7878959B2Electrically operated rehabilitation and exercise bed for simultaneous traction of upper limbs and lower limbsCHEN KO-CHUAN·Filed 2009·Granted Feb 1, 2011·8 cites·5 claims
- 0249US4993407AExerciser for diseased and/or aged people's arms and legsCHEN KO CHUAN·Filed 1989·Granted Feb 19, 1991·26 cites·3 claims
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