Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4381676 | Apparatus for sensing ultrasonic waves by optical means | Walter Kaule | 1983-05-03 |
| 4379409 | Apparatus for producing ultrasonic waves in a workpiece | Wolf Bickel | 1983-04-12 |
| 4379633 | Apparatus for maintaining adjustment of coincidence and relative phase relationship of light beams in an interferometer | Wolf Bickel, Walter Kaule | 1983-04-12 |
| 4275963 | Method and apparatus for sensing ultrasonic energy | — | 1981-06-30 |