Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316854 | Automatic up-and-down disc clamping apparatus with magnets | Yu-Hsiu Chang | 2001-11-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316854 | Automatic up-and-down disc clamping apparatus with magnets | Yu-Hsiu Chang | 2001-11-13 |