Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9364709 | Compact portable leg exercise machine | John Butler | 2016-06-14 |
| D734412 | Compact portable leg exercise machine | John Butler | 2015-07-14 |
| 8864633 | Compact portable leg exercise machine | John Butler | 2014-10-21 |