KT

Kun-Feng Tsai

TC Tong Lung Metal Industry Co.: 1 patents #37 of 49Top 80%
Overall (All Time): #3,625,244 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6109080 Transmission devices for locks with changeable lock core assemblies Po-Yang Chen, Ming-Shyang Chiou, Sheen-Youl Gao 2000-08-29