Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877231 | Device for feeding and discharging originals in sheet form | Johannes H. A. Dinnissen | 1989-10-31 |
| 4795071 | Copying machine having a sheet stapling device | Ronald P. H. in't Zandt | 1989-01-03 |