DL

Dianxin Li

ED Empire Technology Development: 1 patents #283 of 547Top 55%
Overall (All Time): #3,220,524 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8253554 Multi-purpose attachable alarm Ying Wang 2012-08-28