Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7914599 | Slag conditioner composition, process for manufacture and method of use in steel production | Brian Stein, John Beatty | 2011-03-29 |
| 5382555 | High alumina brick with metallic carbide and its preparation | Donald A. McIntyre, P. Sean McHugh | 1995-01-17 |
| 4554035 | Method of manufacturing a slide gate | Thomas Joseph Maskell | 1985-11-19 |
| 4476885 | Adjustable crutch | — | 1984-10-16 |
| 4383624 | Slide gate | Thomas Joseph Maskell | 1983-05-17 |
| 4208214 | Refractory compositions | George A. Russell, Jr., Gunther L. Mortl | 1980-06-17 |