Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6117349 | Composite shadow ring equipped with a sacrificial inner ring | Yu-Chih Huang, Cherng-Chang Tsuei | 2000-09-12 |
SC
Shuan Yu Chang
Overall (All Time): #3,627,162 of 4,157,543Top 90%
1
Patents All Time