Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6123652 | Levered resilient strength training apparatus | — | 2000-09-26 |
| 4773640 | Dumbbell type exercising device | Gert F. Kolbel | 1988-09-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6123652 | Levered resilient strength training apparatus | — | 2000-09-26 |
| 4773640 | Dumbbell type exercising device | Gert F. Kolbel | 1988-09-27 |