Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483709 | Steel production method | Jai K. Pearce, David Lee Schroeder | 1984-11-20 |
| 4302244 | Steel conversion method | Walter Sieckman, Jai K. Pearce | 1981-11-24 |
| 4272286 | Metallurgical vessel | — | 1981-06-09 |
| 4218049 | Metallurgical vessel | — | 1980-08-19 |