Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839740 | Image processing apparatus for determining the presence or absence of an image on each side of a plurality of originals prior to producing two-sided copies of the originals to avoid producing any copies with blank sides | — | 1989-06-13 |