Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879736 | X-ray examination apparatus | Ulf Bergman, Arne Borggren | 1989-11-07 |
| 4815512 | Tread surface profile for pneumatic vehicle tires | Manfred Gerresheim, Dionysius J. Poque, Hans-Jugen Vogler | 1989-03-28 |