Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389245 | Lance ladling | Thomas A. Wiktorowski, W. Dale Wogan | 1983-06-21 |
| 4367865 | Method and apparatus for emptying bottle cars | George E. Keifer | 1983-01-11 |
| 4294432 | Method and apparatus for cooling BOF hood paneling | Thomas A. Wiktorowski | 1981-10-13 |
| 4270949 | Making of steel by the BOF process | Edward J. Esposito | 1981-06-02 |