Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679745 | Golf ball | Akihiko Hamada | 1997-10-21 |
| 5658188 | Method for grinding golf ball surface and golf ball | Mikio Yamada | 1997-08-19 |
| 5633322 | Golf ball | Yoshinori Sano | 1997-05-27 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679745 | Golf ball | Akihiko Hamada | 1997-10-21 |
| 5658188 | Method for grinding golf ball surface and golf ball | Mikio Yamada | 1997-08-19 |
| 5633322 | Golf ball | Yoshinori Sano | 1997-05-27 |