Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830713 | Regeneration method and device | — | 1989-05-16 |
| 4600481 | Aluminum production cell components | Ajit Sane, Douglas J. Wheeler, Pierre E. Debely, Iudita L. Adorian, Jean-Pierre Derivaz | 1986-07-15 |