Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8678954 | Method using visual indicia for golf instruction | — | 2014-03-25 |
| 7780544 | System and method for indicating a golf swing region | — | 2010-08-24 |
| 6645083 | Golf training tool providing audio feedback | Walter E. Armstrong, III | 2003-11-11 |
| 6217458 | Golf game with a three dimensional target | Walter E. Armstrong, III | 2001-04-17 |