Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4548405 | Treadmill with trampoline-like surface | Robert C. Lee, Larry J. Weigand | 1985-10-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4548405 | Treadmill with trampoline-like surface | Robert C. Lee, Larry J. Weigand | 1985-10-22 |