Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244849 | Method for producing transparent polycrystalline body with high ultraviolet transmittance | Donald W. Roy, Lawrence E. Coubrough, Kenneth E. Green, Aurelio Trujillo | 1993-09-14 |
| 5082739 | Metallized spinel with high transmittance and process for producing | Donald W. Roy, Kenneth E. Green, Lawrence E. Courbrough, Aurielo Trujillo | 1992-01-21 |
| 5001093 | Transparent polycrystalline body with high ultraviolet transmittance | Donald W. Roy | 1991-03-19 |
| 4983555 | Application of transparent polycrystalline body with high ultraviolet transmittance | Donald W. Roy | 1991-01-08 |
| 4930731 | Dome and window for missiles and launch tubes with high ultraviolet transmittance | Donald W. Roy | 1990-06-05 |