Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582343 | Adjustable step exerciser | Chih-Liang Chen | 2003-06-24 |
| 6533710 | Hip exerciser | Chih-Liang Chen | 2003-03-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582343 | Adjustable step exerciser | Chih-Liang Chen | 2003-06-24 |
| 6533710 | Hip exerciser | Chih-Liang Chen | 2003-03-18 |