Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646604 | Machine tool, especially a punch | — | 1987-03-03 |
| 4575288 | Method of and apparatus for working a profiled steel workpiece | Helmut Roschiwal, Herbert Schmidt | 1986-03-11 |
| 4444559 | Process and apparatus for unsoldering solder bonded semiconductor devices | Herbert Wenskus | 1984-04-24 |
| 4407614 | Apparatus for perforating a workpiece | Richard Muhr | 1983-10-04 |
| 4369907 | Punching and riveting machine | Richard Muhr | 1983-01-25 |