Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4639304 | Apparatus for determination of aluminum oxide content of the cryolite melt in aluminum electrolysis cells | Endre Berecz, Gabor Szina, Janos Horvath | 1987-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4639304 | Apparatus for determination of aluminum oxide content of the cryolite melt in aluminum electrolysis cells | Endre Berecz, Gabor Szina, Janos Horvath | 1987-01-27 |