Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319400 | Light-blocking transparency assembly | Alan J. Herbert, Dwight Evans | 1994-06-07 |
| 4489122 | Transparencies for electrostatic printing | Marvin Kammin | 1984-12-18 |
| 4480003 | Construction for transparency film for plain paper copiers | Donald W. Edwards, Donald J. Williams | 1984-10-30 |