Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7782905 | Apparatus and method for stateless CRC calculation | Kenneth G. Keels, Brian S. Hausauer, Vadim Makhervaks | 2010-08-24 |
| 6958828 | Method and apparatus for detecting photocopier tracking signatures | Keith T. Knox, Zhigang Fan | 2005-10-25 |
| 5610699 | Photoreceptor cleaning apparatus and method | Robert C. U. Yu | 1997-03-11 |
| 5032872 | Developing device with dual donor rollers including electrically biased electrodes for each donor roller | Jeffrey J. Folkins, Joseph G. Schram | 1991-07-16 |
| 4973994 | Method and apparatus for controlling ion trajectory perturbations in ionographic devices | — | 1990-11-27 |
| 4563408 | Photoconductive imaging member with hydroxyaromatic antioxidant | John Wei-Ping Lin, Lesley P. Dudek, William W. Limburg | 1986-01-07 |