Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5847529 | Robot protection system | C.H. Chao, C. C. Frank Hsu | 1998-12-08 |
| 4363561 | Locking device for percussion instruments' stand | — | 1982-12-14 |
CH
C.R. Hsieh
Overall (All Time): #2,266,496 of 4,157,543Top 55%
2
Patents All Time