Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934397 | Procedure and means for controlling volumetric flow rate in air-conditioning installations | Mertsi Niemela, Raimo Lehtola | 1990-06-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934397 | Procedure and means for controlling volumetric flow rate in air-conditioning installations | Mertsi Niemela, Raimo Lehtola | 1990-06-19 |