YH

Yuan-Chang Hsu

Overall (All Time): #1,230,195 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D696103 Screw — 2013-12-24
6463838 Bank cutter positioning device — 2002-10-15
6155154 Quick positioning device of a bank knife — 2000-12-05
5551328 Cutting apparatus — 1996-09-03