Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604941 | Refractory crucibles and molds for containing reactive molten metals and salts | — | 2003-08-12 |
| 6190579 | Electron emission materials and components | — | 2001-02-20 |
| 6051165 | Electron emission materials and components | — | 2000-04-18 |
| 5934900 | Refractory nitride, carbide, ternary oxide, nitride/oxide, oxide/carbide, oxycarbide, and oxynitride materials and articles | — | 1999-08-10 |
| 5911919 | Electron emission materials and components | — | 1999-06-15 |
| 5273709 | High neutron absorbing refractory compositions of matter and methods for their manufacture | Danny C. Halverson, George M. Johnston | 1993-12-28 |
| 5156804 | High neutron-absorbing refractory compositions of matter and methods for their manufacture | Danny C. Halverson, George M. Johnston | 1992-10-20 |