Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D418564 | Exercising device | Cheng-Tzu Kuo | 2000-01-04 |
| 5695436 | Abdomen fitness apparatus | — | 1997-12-09 |
| 5480368 | Muscle exerciser | — | 1996-01-02 |
| D361809 | Arm exerciser | — | 1995-08-29 |
| D353858 | Multipurpose swiveling exercise platform | — | 1994-12-27 |
| D353640 | Swiveling exercise platform | — | 1994-12-20 |
| D353637 | Multipurpose physical exerciser | — | 1994-12-20 |
| 5352176 | Mutipurpose, spring-supported exercising machine | — | 1994-10-04 |
| 5320594 | Multipurpose gymnastic apparatus | — | 1994-06-14 |
| D343877 | Multi-purpose physical exerciser | Sam Yin | 1994-02-01 |
| 5279533 | Swivel platform with detachable backrest and resilient exercise cords | Sam Yin | 1994-01-18 |