Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6796928 | Foot and lower leg exercise apparatus | Gilman O. Christopher | 2004-09-28 |
| 4498672 | Golf club head with flexure frequency matched with distortion-relaxation frequency of ball | — | 1985-02-12 |