Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879199 | Process for preparing encapsulated color toner compositions | Robert J. Gruber, Raymond A. Yourd, III, John F. Knapp, Steven B. Bolte | 1989-11-07 |
| 4810611 | Developer compositions with coated carrier particles having incorporated therein colorless additives | Ronald F. Ziolo | 1989-03-07 |
| 4794878 | Ultrasonics traveling wave for toner transport | Edward W. Connors, Robert G. Martin | 1989-01-03 |