Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854708 | Optical examination apparatus particularly useful as a Fizeau interferometer and schlieren device | Kathi Kreske | 1989-08-08 |
| 4810895 | Method and apparatus for optical examination of an object particularly by moire ray deflection mapping | Ilana Glatt | 1989-03-07 |