Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4602541 | Punch press with means for rotating the workpiece and method of using same and tooling therefor | Martin Benzinger | 1986-07-29 |
| 4575969 | Grinding machine for punching tools | Hans Klingel | 1986-03-18 |