Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646729 | Single-channel gas concentration measurement method and apparatus using a short-resonator Fabry-Perot interferometer | Yrjo Koskinen, Simo Tammela, Martti Blomberg, Markku Orpana, Altti Torkkeli | 1997-07-08 |
| 5644676 | Thermal radiant source with filament encapsulated in protective film | Martti Blomberg, Markku Orpana, Hannu Kattelus | 1997-07-01 |
| 5599263 | Oil feed system for a variable-crown roll | Risto Haiko, Pekka Kivioja | 1997-02-04 |