Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879199 | Process for preparing encapsulated color toner compositions | Robert J. Gruber, Raymond A. Yourd, III, Paul C. Julien, John F. Knapp | 1989-11-07 |
| 4868600 | Scavengeless development apparatus for use in highlight color imaging | Dan A. Hays, William H. Wayman | 1989-09-19 |