Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400474 | Basic refractory cementitious material and components thereof | Michael Roberts | 1983-08-23 |
| 4386765 | Composite moulded refractory articles | Michael Roberts | 1983-06-07 |
| 4323529 | Method for making a refractory article | Michael Roberts | 1982-04-06 |