Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868608 | Highlight color imaging apparatus | William Maxwell Allen, Jr., Howard M. Stark | 1989-09-19 |
| 4847655 | Highlight color imaging apparatus | Jerome E. May, William Maxwell Allen, Jr. | 1989-07-11 |
| 4833504 | Single pass highlight color printer including a scavengeless developer housing | William Maxwell Allen, Jr. | 1989-05-23 |