Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7048674 | Handheld hand, wrist and arm exercise and rehabilitation device | Donald P. Hartman | 2006-05-23 |
| 5133251 | Baler with end pad insertion | Jerold W. Johnson, John B. Russell, Daniel J. Schaeffer | 1992-07-28 |