Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4747678 | Optical relay system with magnification | David Shafer, Rama N. Singh | 1988-05-31 |
| 4747030 | Illumination system | Eugene Waluschka | 1988-05-24 |
| 4693569 | Method and apparatus for optical system adjustments | — | 1987-09-15 |
| 4293186 | Restricted off-axis field optical system | — | 1981-10-06 |
| 4288148 | Beam-splitting optical system | David A. Markle | 1981-09-08 |
| 4241390 | System for illuminating an annular field | David A. Markle | 1980-12-23 |