Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6838024 | Method for making carbon blocks highly resistant to thermal shock | Christian Dreyer | 2005-01-04 |
| 4946502 | Protective coatings for the carrier bars of pre-baked anodes and the emerging part of the anodes | Gabriel Audras | 1990-08-07 |
| 4787965 | Protective coating for the carrier bars of prebaked anodes and the emerging part of said anodes | Gabriel Audras | 1988-11-29 |