Assignee
WU CHYI YIING
5 granted patents·92 citations·filing 1986–2004
Top patents by PatentIndex Score
5 records- 0182US4717032ABottle with self-contained pickup toolWU CHYI YIING·Filed 1987·Granted Jan 5, 1988·46 cites·5 claims
- 0273US7168180B2Self-powered rotary optical aligning apparatusWU CHYI-YIING·Filed 2004·Granted Jan 30, 2007·18 cites·5 claims
- 0353US5239761AMultiple-purpose measuring instrumentWU CHYI YIING·Filed 1991·Granted Aug 31, 1993·18 cites·2 claims
- 0445US4656752APrecise-reading angular levelWU CHYI YIING·Filed 1986·Granted Apr 14, 1987·10 cites·1 claims
- 0539US7135654B2Angle-variable optical marking apparatusWU CHYI-YIING·Filed 2004·Granted Nov 14, 2006·0 cites·16 claims
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