Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765315 | Particle brake clutch muscle exercise and rehabilitation apparatus | — | 1988-08-23 |
| 4691694 | Muscle exercise and rehabilitation apparatus | Robert L. Boyd, Daniel Y. Gezari | 1987-09-08 |
| 4628910 | Muscle exercise and rehabilitation apparatus | — | 1986-12-16 |
| 4501148 | Manual muscle tester | James Nicholas | 1985-02-26 |