Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4246035 | High purity mortar suitable for bonding refractory brick | Raymond P. Heilich, Frank J. Rohr | 1981-01-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4246035 | High purity mortar suitable for bonding refractory brick | Raymond P. Heilich, Frank J. Rohr | 1981-01-20 |