Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D393648 | Drill press | — | 1998-04-21 |
| D386192 | Drill press | — | 1997-11-11 |
| 5003422 | Magnetic head locking mechanism | Kai Sun, Edward H. P. Lee | 1991-03-26 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D393648 | Drill press | — | 1998-04-21 |
| D386192 | Drill press | — | 1997-11-11 |
| 5003422 | Magnetic head locking mechanism | Kai Sun, Edward H. P. Lee | 1991-03-26 |