Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7826774 | Methods to control transitions between color printing and black-only printing in an image forming device | William Paul Cook, Ryan David Brockman, Larry Steven Foster, Travis Alan Riggs, Jeffrey Lawrence Tonges +1 more | 2010-11-02 |
| 7580645 | Detecting the presence of a photoconductor drum | Douglas Anthony Able, Jared Kuo-Hui Lin | 2009-08-25 |
| 6238759 | Coated charge roller | Christopher David Strack, Troy Dustin Smith Tomson | 2001-05-29 |
| 6122460 | Method and apparatus for automatically compensating a degradation of the charge roller voltage in a laser printer | Christopher David Strack, Troy Dustin Smith Tomson | 2000-09-19 |
| 6021297 | Flexible doctor blade having a radiused contact surface | Alan Stirling Campbell, Christina Allison Cullins, Peter Wallin | 2000-02-01 |
| 5875378 | Toner cartridge with hopper exit agitator | Alan Stirling Campbell, Gregory Lawrence Ream | 1999-02-23 |
| 4994861 | Printing machine with charge neutralizing system | Fred Young Brandon, James Philip Harden, Paul Douglas Horrall, Troy A. Lee | 1991-02-19 |
| 4217594 | Method and apparatus for determining the velocity of a liquid stream of droplets | Thomas Steven Taylor | 1980-08-12 |