Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333813 | Cathodes for alumina reduction cells | Howard I. Kaplan, Thomas J. Johnston, Curtis J. McMinn, John T. Willett, Nolan E. Richards | 1982-06-08 |
| T993002 | Refractory surfaces for alumina reduction cell cathodes and methods for providing such surfaces | Howard I. Kaplan, Thomas J. Johnston, Jan Pottinger, Curtis J. McMinn, Alton T. Tabereaux +2 more | 1980-04-01 |