CC

Chen-Keng Chih

Overall (All Time): #2,248,705 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5896796 Device for punching holes in a bicycle rim 1999-04-27
5544791 Grease pumping assembly 1996-08-13