Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647089 | Method and apparatus for tissue imaging | Arto Virta, Jan Fröjdman, Timo Sulin-Saaristo | 2003-11-11 |
| 5267586 | Shutoff valve mechanism for the oral evacuator of a dental unit | — | 1993-12-07 |