Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990421 | Electrophotographic recording material containing a trisazo dye | David R. Terrell, Marcel J. Monbaliu, Carina Geelen, Guy P. Verbeek, Mark G. Van der Auweraer | 1991-02-05 |
| 4923774 | Layered electrophotographic recording element comprising p-type charge transport compounds | Mark G. Van der Auweraer, Guy P. Verbeek, Carina Geelen, David R. Terrell, Stefaan De Meutter | 1990-05-08 |