Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422757 | Active piezoelectric spindle bearing preload adjustment mechanism | Tung-Chuan Wu, Jih-Jong Hsu, Tsann-Huei Chang | 2002-07-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422757 | Active piezoelectric spindle bearing preload adjustment mechanism | Tung-Chuan Wu, Jih-Jong Hsu, Tsann-Huei Chang | 2002-07-23 |