Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869509 | Golfer's head movement indicator | — | 1989-09-26 |
| 4861034 | Golf-grip training device | — | 1989-08-29 |
| 4819942 | Golf swing indicator | Lloyd Nakama | 1989-04-11 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869509 | Golfer's head movement indicator | — | 1989-09-26 |
| 4861034 | Golf-grip training device | — | 1989-08-29 |
| 4819942 | Golf swing indicator | Lloyd Nakama | 1989-04-11 |