Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946225 | Electrophotographic element protected from photofatigue induced by visible light | Dennis R. Fronheiser, Anne F. Lairmore, David S. Weiss, Jeffrey R. Murray, Marie B. O'Regan | 2005-09-20 |
| 6647219 | Electrophotographic recording process control method and apparatus | — | 2003-11-11 |
| 5780192 | Electrophotographic elements exhibiting reduced numbers of black spots in discharge area development systems | Marie B. O'Regan, Anne F. Lairmore, Jeffrey R. Murray, Louis J. Sorriero, David S. Weiss | 1998-07-14 |
| 4996124 | Photoconductor element, regenerating methods and elements useful therein | Rodney R. Bucks, Lawrence E. Contois | 1991-02-26 |
| 4804602 | Method and apparatus utilizing corona erase for improving a multi-color electrophotographic image | Carl E. Cowan | 1989-02-14 |