Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310160 | Electromagnetic valve top part | Kurt Harck, John Abrahamsen, Holger Nicolaisen, Erik Kyster | 1994-05-10 |
| 5280873 | Plunger armature magnetic arrangement | John Abrahamsen, Holger Nicolaisen | 1994-01-25 |