Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5847529 | Robot protection system | C.H. Chao, C.R. Hsieh | 1998-12-08 |
| 5197358 | Socket wrench | — | 1993-03-30 |
| 5082222 | Supporting device | — | 1992-01-21 |
CH
C. C. Frank Hsu
Overall (All Time): #1,641,725 of 4,157,543Top 40%
3
Patents All Time