Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5090836 | Structure of a connecting joint of a case | Ming-Ted Lee | 1992-02-25 |
| 4860561 | Numerical lock | — | 1989-08-29 |
| 4754623 | Adjustable combination numerical lock | — | 1988-07-05 |
| 4719777 | Combination lock for briefcases | — | 1988-01-19 |
| 4557122 | Combined combination and key-type lock | — | 1985-12-10 |