Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107527 | Method and apparatus for analyzing sludgy materials | Heikki Johannes Sipilä, Jouko A. K. Koskinen | 1992-04-21 |
| 5064204 | Analyzer sealing member | Jouko A. K. Koskinen | 1991-11-12 |
| 4778346 | Method for activating a gas phase stabilizer installed within a gas-filled proportional counter | — | 1988-10-18 |
| 4571196 | Way to prolong the service life of proportional counters | Heikki Johannes Sipilä | 1986-02-18 |