Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363995 | Slide gate plate and method | — | 1994-11-15 |
| 5338711 | High alumina refractory shapes | Stanley A. Smith | 1994-08-16 |
| 5279779 | High alumina insulating refractory product and method for making same | — | 1994-01-18 |