TC

Tao Chang

OI Osi Industries: 1 patents #5 of 15Top 35%
📍 Taoyuan, IL: #17 of 17 inventorsTop 100%
Overall (All Time): #1,895,402 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10526838 Drainage assembly for an automatic door Mike Yeager, Sone Phimsouay, Dan Werner 2020-01-07
5103810 Sexual aid 1992-04-14