Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455687 | Head cover and safety helmet | — | 1984-06-26 |
| 4318021 | Rotary AC machine stator with pressure hose supported coil ends | Roland Kolsmyr, Kristian Madsen, Esko Olavi Polvi | 1982-03-02 |