Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7524271 | Exercise assembly for a chair and a chair having such an exercise assembly | Hongwei Jia | 2009-04-28 |
| 7223220 | Exercise device attachable to chair | Hongwei Jia | 2007-05-29 |