Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817211 | Vacuum ultraviolet transmitting direct deposit vitrified silicon oxyfluoride lithography glass photomask blanks | John T. Brown, Stephen Charles Currie, Lisa Anne Moore, Susan Lee Schiefelbein | 2004-11-16 |
| 6802269 | Alumina refractories and methods of treatment | — | 2004-10-12 |
| 6763683 | Method for pure, fused oxide | — | 2004-07-20 |