Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10126533 | Anamorphic optical system wity relative small squeeze ratio but with relatively pronounced residual anamorphic characteristics | — | 2018-11-13 |
| 8903232 | Optical attachment for reducing the focal length of an objective lens | — | 2014-12-02 |
| 8879901 | Optical attachment for reducing the focal length of an objective lens | Wilfried Bittner | 2014-11-04 |
| 8678676 | Tilt shift lens adapter | Erwin Scholz, Wilfried Bittner | 2014-03-25 |
| 8169717 | Large aperture imaging optical systems | — | 2012-05-01 |
| 7808718 | Afocal Galilean attachment lens with high pupil magnification | James Albert Frazier | 2010-10-05 |
| 7733581 | Large aperture imaging optical system | — | 2010-06-08 |
| 5206189 | Sol-gel method for the preparation of monolithic multicomponent oxide glasses | — | 1993-04-27 |
| 5182236 | Gradient index glasses and sol-gel method for their preparation | Mark A. Banash, Tessie M. Che, Robert M. Mininni, Victor N. Warden | 1993-01-26 |
| 4902650 | Gradient-index glass | Duncan T. Moore | 1990-02-20 |
| 4797376 | Sol-gel method for making gradient-index glass | Duncan T. Moore | 1989-01-10 |