Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556097 | Hollow club head with welded hosel | Kenji Kobayashi | 1996-09-17 |
| 5501459 | Hollow club head with weighted sole plate | — | 1996-03-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556097 | Hollow club head with welded hosel | Kenji Kobayashi | 1996-09-17 |
| 5501459 | Hollow club head with weighted sole plate | — | 1996-03-26 |