Assignee
CHENG YEN FENG
TW·3 granted patents·176 citations·filing 1990–1990
Top patents by PatentIndex Score
3 records- 0184US5040253AVariable bed having multiple functionsCHENG YEN FENG·Filed 1990·Granted Aug 20, 1991·85 cites·10 claims
- 0280US5007673ACollapsible table and chair setCHENG YEN FENG·Filed 1990·Granted Apr 16, 1991·68 cites·6 claims
- 0365US5085305ACam-operated, positive clutch with electromagnetic actuatorCHENG YEN FENG·Filed 1990·Granted Feb 4, 1992·23 cites·1 claims
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