Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7142403 | Method for detection of a ground fault, which occurs in the vicinity of a neutral point in an electrical device, as well as an apparatus for carrying out the method | Goeran Lindahl | 2006-11-28 |
| 6954345 | Generator for producing high voltages | Richard Blatter, Reinhard Joho, Sture Lindahl | 2005-10-11 |