Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839673 | AC corona enhancement for electrostatic imaging devices | Michael W. Raymond | 1989-06-13 |
| 4831393 | Belt and belt support for non-impact, direct charge electrographic printer | Walter C. Dean, II, Richard J. Coburn | 1989-05-16 |
| 4827295 | Conditioning apparatus for non-impact, direct charge electrographic printer belt | Walter C. Dean, II | 1989-05-02 |