Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697854 | Golf club head and method of manufacturing the same | Yuichi Aizawa | 1997-12-16 |
| 5658207 | Golf club head | Yuichi Aizawa | 1997-08-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697854 | Golf club head and method of manufacturing the same | Yuichi Aizawa | 1997-12-16 |
| 5658207 | Golf club head | Yuichi Aizawa | 1997-08-19 |