Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886329 | Optical scanning device as well as a microfilm reader-printer with such a device | — | 1989-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886329 | Optical scanning device as well as a microfilm reader-printer with such a device | — | 1989-12-12 |