Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632392 | Exercise apparatus including tethered mass confines for movement on horizontal track | William D. McLeod | 1986-12-30 |
| 4405128 | Muscular exercise apparatus and method | Thomas M. McLaughlin, William D. McLeod, Nels Howard Madsen | 1983-09-20 |