Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470717 | Dials of a combination padlock | — | 2002-10-29 |
| 6449992 | Combination lock device | Ming-Chang Shih | 2002-09-17 |
| D462887 | Combination lock | — | 2002-09-17 |
| 6363757 | Combination lock provided with means to prevent disturbance of a set series of numbers used in opening the lock | — | 2002-04-02 |