Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6276863 | Friction- and form-grip connection of rotating components | Harry Alkelin, Mikael Fryklund, Per Thornblad, Hans Wettstein | 2001-08-21 |
| 6126357 | Friction- and form-grip connection of rotating components | Harry Alkelin, Mikael Fryklund, Per Thornblad, Hans Wettstein | 2000-10-03 |
| 5121783 | Window covering apparatus | — | 1992-06-16 |