Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824103 | Muscle Testing and exercising apparatus | — | 1989-04-25 |
| D283987 | Hand held dynamometer | — | 1986-05-27 |
| 4462252 | Trunk dynamometer | Louis R. Amundsen, Thomas B. Herring | 1984-07-31 |