Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6083117 | Golf club head | — | 2000-07-04 |
| 5972144 | Method for manufacturing golf club putter heads | — | 1999-10-26 |
| 5899821 | Golf club head | Kuang-Wei Chen | 1999-05-04 |
| 5728010 | Golf club head improved in its center of gravity | — | 1998-03-17 |