Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948121 | Exercise machine | Paul M. Theisen, Karl N. Ketter | 1990-08-14 |
| 4618139 | Exercise machine | — | 1986-10-21 |
| 4529194 | Cardiovascular exercise machine | — | 1985-07-16 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948121 | Exercise machine | Paul M. Theisen, Karl N. Ketter | 1990-08-14 |
| 4618139 | Exercise machine | — | 1986-10-21 |
| 4529194 | Cardiovascular exercise machine | — | 1985-07-16 |