Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D309349 | Sampling adapter for carbon dioxide monitoring in a respiratory system | Antti Martikainen | 1990-07-17 |
| 4382806 | Method for separating water from a gas sample | Matti A. Hakala, Antti Martikainen | 1983-05-10 |
| 4304578 | Water separator for a gas analyzer | Matti A. Hakala, Antti Martikainen | 1981-12-08 |
| 4266131 | Gas analyzer | Hannu T. Ahjopalo | 1981-05-05 |