Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11471740 | Golf swing training device | John F. Jamison | 2022-10-18 |
| 10350102 | Inflatable foot cushion | James G. Spahn, Brian Conway, David P. Laughlin | 2019-07-16 |
| 9517154 | Inflatable foot cushion | James G. Spahn, Brian Conway, David P. Laughlin | 2016-12-13 |
| 9301866 | Inflatable foot cushion | James G. Spahn, Brian Conway, David P. Laughlin | 2016-04-05 |