Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773377 | Rotatable hand exerciser | Yuan-Hsing Chu | 2004-08-10 |
| 6769547 | Multi-layer air cushion packing material | — | 2004-08-03 |
| 6752747 | Multi-directional swivel body builder | — | 2004-06-22 |
| 6746383 | Multipurpose hand puller | — | 2004-06-08 |
| 6719675 | Inertial rocking type exercising device | — | 2004-04-13 |