Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117439 | Method for operating an electrode graphitization furnace | Kenneth G. Politowicz | 1992-05-26 |
| 4813805 | Joint for carbon electrodes | — | 1989-03-21 |
| 4725161 | Electrode joint | — | 1988-02-16 |