Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122105 | Seat for an exercise apparatus | Timothy S. Engel, Michael E. Heutmaker | 1992-06-16 |
| 5072929 | Dual resistance exercise rowing machine | Stephen S. Peterson, Michael E. Heutmaker, Timothy S. Engel, Robert A. Iverson | 1991-12-17 |