Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835378 | Apparatus for optically scanning a radiation-reflective information plane | — | 1989-05-30 |
| 4829506 | Apparatus for optically scanning an information plane | Andreas J. M. Bressers, Adrianus J. Duijvestijn | 1989-05-09 |