Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7241099 | Center ball O-ring | Huan-Liang Tzeng, Jung-Hsiang Chang | 2007-07-10 |
JH
Jeng-Horng Hsieh
Overall (All Time): #3,390,251 of 4,157,543Top 85%
1
Patents All Time