Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021375 | Chrome oxide refractory composition | — | 1991-06-04 |
| 5010046 | Chromia-magnesia refractory body | Scott Martin | 1991-04-23 |
| 4946487 | High temperature filter | — | 1990-08-07 |
| 4823359 | Furnance having dense refractory oxide liner | Neil N. Ault, Louis J. Trostel, Jr. | 1989-04-18 |