Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158288 | Tennis racket frame with multiple cross-sectional shapes | Dar-Ming Chiang | 1992-10-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158288 | Tennis racket frame with multiple cross-sectional shapes | Dar-Ming Chiang | 1992-10-27 |