Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558016 | Ceramic fiber reinforced refractory | John R. Peterson, Edward B. Schumacher | 1985-12-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558016 | Ceramic fiber reinforced refractory | John R. Peterson, Edward B. Schumacher | 1985-12-10 |