Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10468576 | Method of manufacturing a sealed thermoelectric module | Torleif A. Tollefsen | 2019-11-05 |
| 7901561 | Method for electrolytic production and refining of metals | Kai Johansen, Donald R. Sadoway, Bjorn Myhre, Krister Engvoll | 2011-03-08 |