SY

San-Fu Yang

WG Wilson Sporting Goods: 1 patents #147 of 235Top 65%
📍 Douliu, TW: #145 of 282 inventorsTop 55%
Overall (All Time): #3,727,996 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5681233 Inflatable game ball with sponge rubber carcass Douglas G. Guenther, Bradley L. Gaff, Takeo Suzuki 1997-10-28