Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277428 | Golf club swing training device | Raymond Goodwin | 1994-01-11 |
| 5203569 | Golf stance trainer | — | 1993-04-20 |
| 5108103 | Wrist release trainer | — | 1992-04-28 |
| 5092601 | Pivot trainer for golfers | — | 1992-03-03 |
| 5074564 | Golf swing aid | — | 1991-12-24 |
| 5058525 | Dial tampering detector | — | 1991-10-22 |
| 4967596 | Swing velocity indicator | R. Wendell Goodwin | 1990-11-06 |
| 4924799 | Inversion indicator | — | 1990-05-15 |
| 4670737 | Method of initializing an optical encoder | — | 1987-06-02 |