Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769352 | Refractory cement containing lithium fluoride flux | — | 1988-09-06 |
| 4222782 | Refractory ramming mix containing aluminum powder for metal melting furnaces | Richard A. Alliegro | 1980-09-16 |