Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837105 | Imaging process with prevention of toner spots | Thomas R. Hoffend, Don B. Jugle | 1989-06-06 |
| 4820604 | Toner and developer compositions with sulfur cotaining organopolysiloxane waxes | Angelo J. Barbetta | 1989-04-11 |