Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915377 | Exercise apparatus | Parker Malnke | 1990-04-10 |
| D300047 | Exercise bicycle | — | 1989-02-28 |
| 4793608 | Exercise apparatus | Parker E. Mahnke | 1988-12-27 |
| D298641 | Exercise bicycle | — | 1988-11-22 |
| D298057 | Structural column for an exercising apparatus | Parker E. Mahnke | 1988-10-11 |
| 4744559 | Multi-station exercise apparatus | Parker E. Mahnke | 1988-05-17 |