Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643146 | Stationary exercise device having load-controlling braking system | Michael T. Sweeney, James S. Sweeney, Jr. | 1997-07-01 |
| 4949993 | Exercise apparatus having high durability mechanism for user energy transmission | Michael T. Sweeney | 1990-08-21 |
| 4938474 | Exercise apparatus and method which simulate stair climbing | Michael T. Sweeney, James S. Sweeney, Jr. | 1990-07-03 |