Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4656870 | Ultrasonic testing device | Klaus Ruthrof, Rudolf Korner | 1987-04-14 |
| 4640131 | Method and apparatus for the ultrasonic testing of bolts with a wall thickness discontinuity | Michael Kröning, Roland Heumuller | 1987-02-03 |
| 4266169 | Electromechanical control device for displacing an object | Jochem Knoche | 1981-05-05 |