Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178261 | Conveyor system | Ronald R. Matheson, Daniel E. Hucul, James F. Burkhardt | 1993-01-12 |
| 4669192 | Variable compliance device | Ronald R. Matheson, Daniel E. Hucul, James F. Burkhardt | 1987-06-02 |