Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5764203 | Breathing mask with a display unit | Raimo Antero Kujanpaa, Rauno Aulis Ollila | 1998-06-09 |
| 5410757 | Face shield | Teppo T. Vienamo, Pauli J. Saari, Jyrki H. V. Jaarvinen | 1995-05-02 |