Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114391 | Upper and lower body exerciser | Gerald Pitzen, Douglas Garfield, Warren G. Beltz, Joseph C. Bina | 1992-05-19 |
| 4923193 | Upper and lower body exerciser | Gerald Pitzen, Douglas Garfield, Warren G. Beltz, Joseph C. Bina | 1990-05-08 |