Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681499 | Method and compositions for making refractory shapes having dense, carbon free surfaces and shapes made therefrom | Paul M. Benson, Quentin K. Robinson, David Stephenson, Phillipe Dumas, Eric Hanse | 1997-10-28 |