Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149364 | Desulfurization agent | Donald B. Craig, Thomas K. McCluhan | 1992-09-22 |
| 5078784 | Desulfurization agent | Donald B. Craig, Thomas K. McCluhan | 1992-01-07 |
| 4752327 | Dephosphorization process for manganese alloys | Young-Eun Lee | 1988-06-21 |
| 4684403 | Dephosphorization process for manganese-containing alloys | Young-Eun Lee, James H. Downing, Jr. | 1987-08-04 |
| 4676970 | Method for producing metal sulfide and the product produced therefrom | Lamar S. Todd, Donald R. Hilburger | 1987-06-30 |