Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963455 | Developer compositions with suspension polymerized styrene butadiene resins | John R. Laing, Hui Chang, Angelo J. Barbetta | 1990-10-16 |
| 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 |
| 4752550 | Toner compositions with inner salt charge enhancing additives | Angelo J. Barbetta, Doretta Agostine, Thomas R. Hoffend, Emery G. Tokoli | 1988-06-21 |