Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819254 | Method of and apparatus for recording and reproducing image information in panoramic x-ray photography | Timo Nieminen | 1989-04-04 |
| 4815115 | Method of photographing an object with a panoramic X-ray apparatus fitted with automatic exposure | Timo Nieminen | 1989-03-21 |
| 4805080 | Power supply circuit for an X-ray tube | — | 1989-02-14 |