Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823359 | Furnance having dense refractory oxide liner | Neil N. Ault, Anthony K. Butkus | 1989-04-18 |
| 4476234 | Refractory cement | Cecil M. Jones, Malcolm E. Washburn | 1984-10-09 |