Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902100 | Method and apparatus for removing phase aberrations in windows using broadband phase conjugation | Donald A. Servaes | 1990-02-20 |
| 4804249 | Optical filter for incoherent imaging systems | Peter Mueller | 1989-02-14 |
| 4560235 | Fiber optic condenser for an optical imaging system | Donald A. Servaes | 1985-12-24 |
| 4498009 | Optical lithographic system having a dynamic coherent optical system | — | 1985-02-05 |
| 4493555 | High sensitivity focal sensor for electron beam and high resolution optical lithographic printers | — | 1985-01-15 |
| 4474446 | Focal sensor having optical low pass filter | Burton R. Clay | 1984-10-02 |
| 4450358 | Optical lithographic system | — | 1984-05-22 |