Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8104897 | Projection optical system having an angled opitcal part and an offset optical part | Bratishchev Alexey Vladimirovich | 2012-01-31 |
| 7984992 | Projection optical system | Bratishchev Alexey Vladimirovich | 2011-07-26 |