Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189928 | Adjustable stroke punch press | Robert L. Schockman, Frederick C. Bergman | 1993-03-02 |
| 5109766 | Adjustable stroke punch press | Robert L. Schockman, Frederick C. Bergman | 1992-05-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189928 | Adjustable stroke punch press | Robert L. Schockman, Frederick C. Bergman | 1993-03-02 |
| 5109766 | Adjustable stroke punch press | Robert L. Schockman, Frederick C. Bergman | 1992-05-05 |