Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335896 | Nozzle insert for a steelmaking ladle | Donald J. Idstein, John P. Hoffman | 1994-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335896 | Nozzle insert for a steelmaking ladle | Donald J. Idstein, John P. Hoffman | 1994-08-09 |