Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5184499 | Testing device with acceleration tube | Martin Monkewitz | 1993-02-09 |
| 4942775 | Method of and device for accelerating test pieces on a circular path | Martin Monkewitz | 1990-07-24 |