Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860428 | Lifting hand for a punch press tool changer | Theodore F. Brolund | 1989-08-29 |
| 4486941 | Punch press with automatic tool changer | William B. Scott, Daniel C. Dickinson | 1984-12-11 |
| 4423546 | Punch press with automatic tool changer | William B. Scott, Daniel C. Dickinson | 1984-01-03 |