Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8030235 | Refractory brick for steel ladles | H. David Prior, David J. Michael | 2011-10-04 |
| 6787098 | Refractory lining for metallurgical vessel | Donald Abrino, John Crooks, Ronald Barrett | 2004-09-07 |
| 6673306 | Refractory lining for metallurgical vessel | Donald Abrino, John Crooks, Ronald Barrett | 2004-01-06 |