Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457777 | Steelmaking | Ian MacGregor, Gene D. Spenceley | 1984-07-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457777 | Steelmaking | Ian MacGregor, Gene D. Spenceley | 1984-07-03 |