Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890135 | Photoconductive drum cleaning apparatus | Kenneth W. Gardiner, Tatsu Hori | 1989-12-26 |
| 4259003 | Imaging surface discharge and cleaning apparatus for electrophotographic copier | Ronald Swidler | 1981-03-31 |