Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631121 | Alumina reduction cell | Douglas V. Stewart, Alton T. Tabereaux | 1986-12-23 |
| 4436598 | Alumina reduction cell | Alton T. Tabereaux | 1984-03-13 |
| 4333813 | Cathodes for alumina reduction cells | Howard I. Kaplan, Jerry H. Bryce, Thomas J. Johnston, Curtis J. McMinn, Nolan E. Richards | 1982-06-08 |
| T993002 | Refractory surfaces for alumina reduction cell cathodes and methods for providing such surfaces | Howard I. Kaplan, Jerry H. Bryce, Thomas J. Johnston, Jan Pottinger, Curtis J. McMinn +2 more | 1980-04-01 |