Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884794 | Duplex document handler | George J. Roller | 1989-12-05 |
| 4831420 | Copier/document handler customer variable registration system | Frank R. Walsh, Thomas W. Morgan | 1989-05-16 |