Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11840472 | Elongation method and preform for producing an optical glass component | Qiulin Ma, Evan P. Green | 2023-12-12 |
| 11811453 | Upward collapse process and apparatus for making glass preforms | Qiulin Ma, Evan P. Green, James E. Beavers, Jr., Carl W. Ponader | 2023-11-07 |
| 11649185 | Automated large outside diameter preform tipping process and resulting glass preforms | Qiulin Ma | 2023-05-16 |
| 11618708 | Elongation method and preform for producing an optical glass component | Qiulin Ma, Evan P. Green | 2023-04-04 |