Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640879 | Copying process and electrophotographic element utilizing a photoconductive pigment dispersed in an improved polymeric binder | Petrus Anna Maria Robertus Simons | 1987-02-03 |
| 4629671 | Charge-transporting compounds and photoconductive elements provided with such charge-transporting compounds | Roelof H. Everhardus, Johannes J. M. Brands | 1986-12-16 |