Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321457 | Method and device for the burning of an artificial carbon body, especially of an anode for the aluminum fusion electrolysis | Wilhelm Edel, Reinhold Heindl, Friedel Isenhardt | 1982-03-23 |