Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869992 | Mixed polymer toner for forming electrographic printing plates | — | 1989-09-26 |
| 4833060 | Polymeric powders having a predetermined and controlled size and size distribution | Mridula Nair, Zona R. Pierce | 1989-05-23 |