Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345940 | Desulfurizing process | — | 1982-08-24 |
| 4341554 | Process for desulfurizing steel | Robert G. Petrushka | 1982-07-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345940 | Desulfurizing process | — | 1982-08-24 |
| 4341554 | Process for desulfurizing steel | Robert G. Petrushka | 1982-07-27 |