Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5395294 | Foot pad for stair climber exerciser | — | 1995-03-07 |
| D354321 | Stairclimber exercise | — | 1995-01-10 |
| D333330 | Treadmill | — | 1993-02-16 |
| 4605240 | Electronically controlled bicycle transmission | William C. Trethewey | 1986-08-12 |