Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877017 | Apparatus for non-contacting disintegration of concretions | Georg Vogel | 1989-10-31 |
| 4872192 | X-ray examination installation for optional transillumination or exposure of an examination subject | Jens-Peter Raup | 1989-10-03 |