Assignee
TSENG LUNG-YUAN
TW·1 granted patent·2 pending applications·8 citations·filing 2010–2010
Top patents by PatentIndex Score
3 records- 0156US8387309B2Automatic waterproof gateTSENG LUNG-YUAN·Filed 2010·Granted Mar 5, 2013·8 cites·6 claims
- 0226US2011308000A1Anti-Reverse Device to Block and Prevent Waste Water in a Toilet Bowl from Flowing BackwardTSENG LUNG-YUAN·Filed 2010·Application pending·0 cites
- 0323US2011240536A1Floor Drain Cover That Can Prevent Waste Water From Flowing Backward in a Floor DrainTSENG LUNG-YUAN·Filed 2010·Application pending·0 cites
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