Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8207855 | Communication apparatus, system and method for self-contained breathing apparatus | Hasse Sinivaara | 2012-06-26 |
| 7714720 | Alarm system and alarm device | Heikki Hietanen | 2010-05-11 |