Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852785 | Printer paper control apparatus and method | Richard A. Bettendorf | 1989-08-01 |
| 4796066 | Printer apparatus having two-sided printing capability | George R. Daniels | 1989-01-03 |