Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016171 | Copy cartridge warranty and billing system | Barry G. Rickett, Robert J. Yax, Roger M. Swanson | 1991-05-14 |
| 4837104 | Scavenging field for electrostatographic printing machine | — | 1989-06-06 |
| 4587929 | Closed loop mechanical development control system | Gregory B. Swistak, Robert J. Tannascoli | 1986-05-13 |