JF

Jeff Fang

TC Tong Lung Metal Industry Co.: 1 patents #37 of 49Top 80%
Overall (All Time): #3,294,337 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7748758 Cylinder lock having improved torsional strength Cheng-Chung Liu, Lan-Kun Don 2010-07-06