Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4575216 | Electrophotographic copying apparatus including transfer charge corona and shield | Victor B. van Blerk | 1986-03-11 |
| 4416530 | Polarizing filters for enhancing contrast in xerographic copying machines | Daniel Joseph Lasky | 1983-11-22 |