Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574991 | Pure fused silica, furnace and method | Lawrence Henry Kotacska | 2003-06-10 |
| 6541168 | Vacuum ultraviolet transmitting direct deposit vitrified silicon oxyfluoride lithography glass photomask blanks | John T. Brown, Stephen Charles Currie, Lisa Anne Moore, Susan Lee Schiefelbein | 2003-04-01 |