Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198366 | Tuning device and method of manufacturing the same | Sten-åke Nilsson | 2001-03-06 |
| 5759382 | Injection of powdered material into electrolysis cells | Torstein Utigard, Alejandro Bustos | 1998-06-02 |