Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861164 | Apparatus for separating specular from diffuse radiation | — | 1989-08-29 |
| 4861984 | Surface inspection or ranging apparatus with image derotation | — | 1989-08-29 |
| 4851696 | Apparatus for receiving radiation only within predetermined angular limits | — | 1989-07-25 |
| 4797558 | Inspection apparatus including photodetection and scanning apparatus | — | 1989-01-10 |