Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906937 | Method and a device for fault location in the event of a fault on a power transmission line | Kent Wikstrom | 1990-03-06 |
| 4567554 | Static convertor means | Gunnar Zetterberg | 1986-01-28 |