Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882675 | Paperless system for distributing, redeeming and clearing merchandise coupons | Steven Nichtberger, Corey Snook | 1989-11-21 |
| 4849883 | Professional office system printer support for personal computers | Michael O. Mitchell | 1989-07-18 |