Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531791 | System for power connection and reconnection | Folke Ekelund, Leif Hansson, Attila Mathe, Kjell Rundkvist | 2003-03-11 |
| 4740304 | Composition for use in a twophase or multiphase system | Folke Tjerneld | 1988-04-26 |