Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120577 | Treatment of steel mill waste metal oxides | Jagjit S. Bajaj, Valdis R. Daiga, Vishwaprakash S. Hegde | 2000-09-19 |
| 4345940 | Desulfurizing process | — | 1982-08-24 |
| 4341554 | Process for desulfurizing steel | Robert G. Petrushka | 1982-07-27 |
| 4277279 | Method and apparatus for dispensing a fluidized stream of particulate material | Richard G. Kerlin, Henry T. Kossler, Robert G. Petrushka | 1981-07-07 |
| 4266969 | Desulfurization process | — | 1981-05-12 |