Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8784943 | Process for guniting refractory mixes using conventional dry gunning equipment and refractory mixes for use in same | James Benson, Heidi Zinn | 2014-07-22 |
| 8691172 | Forsterite and method for making | Dale F. DeSanto | 2014-04-08 |
| 8618006 | Cement-free refractory | Samuel B. Bonsall, III | 2013-12-31 |