Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886528 | Tubular water separator for a gas analyzer | Olli Aaltonen, Antti Martikainen, Jan Ekstrom, Osmo Toikka | 1989-12-12 |
| 4850367 | Bioelectric patient monitor | — | 1989-07-25 |
| 4798229 | Gas flow constriction module | — | 1989-01-17 |