Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803768 | Method of, and apparatus for, applying sheet metal collars onto the nipples of anode bars | — | 1989-02-14 |
| 4701249 | Mobile apparatus for cleaning remnants of carbon anode blocks | Paul J. Wisniewski | 1987-10-20 |
| 4514873 | Equipment for cleaning remnants of carbon blocks | — | 1985-05-07 |
| 4347661 | Process of making electric assemblies | — | 1982-09-07 |