Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031515 | Method for regulation of ventilation as well as an air-conditioning device used in the method | Mertsi Niemela | 1991-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031515 | Method for regulation of ventilation as well as an air-conditioning device used in the method | Mertsi Niemela | 1991-07-16 |