Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554071 | Air-change system for a multi-storey building | Heikki Peltola | 1996-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554071 | Air-change system for a multi-storey building | Heikki Peltola | 1996-09-10 |