Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007687 | Method and device for sealing a cover plate for an electrolytic cell | Anders Ullman, Martin Kroon | 1999-12-28 |
| 5120904 | Electrode | Anders Ullman, Lars-Erik Bergman, Pekka Heiskanen | 1992-06-09 |