Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5795243 | Club head with a shock absorbing hosel | Chung-Jong Sung | 1998-08-18 |
| 5795245 | Neck weighting structure for golf clubs | Chung-Jong Sung | 1998-08-18 |
| 5674133 | Structure of golf club head | Chung-Jong Sung | 1997-10-07 |
| 5669826 | Structure of golf club head | Chung-Jong Sung | 1997-09-23 |