Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044297 | Ground electrode | Gunnar Asplund, Gunnar Flisberg, Lars Weimers, Jan Lundquist, Dan Karlsson | 2011-10-25 |
| 7939751 | Land electrode | Gunnar Asplund, Olof Heyman | 2011-05-10 |