Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7628711 | Golf club head | Cheng-Tao Lee, Yuan-Jen Hou, Te-Fu HSIAO | 2009-12-08 |
| 7121958 | Positioning structure in a golf club head | Bernard Cheng, Anita Chen, May Lin | 2006-10-17 |