Assignee
FENG OU YANG
TW·3 granted patents·120 citations·filing 1987–1989
Top patents by PatentIndex Score
3 records- 0181US4800834ATelescopic rod means with rolling display sheetFENG OU YANG·Filed 1987·Granted Jan 31, 1989·55 cites·2 claims
- 0272US4944656ATelescopic rod means having rotatably retractable display sheetFENG OU YANG·Filed 1989·Granted Jul 31, 1990·39 cites·7 claims
- 0359US4787161AAdvertising writing instrumentFENG OU YANG·Filed 1987·Granted Nov 29, 1988·26 cites·1 claims
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