Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9542716 | Non raster row pixel processing | Douglas G. Keithley, Gordon R. Clark, William R. Schmidt | 2017-01-10 |
| 9361556 | Pulse width modulator for a printing device | Douglas G. Keithley, Richard D. Taylor | 2016-06-07 |
| 8947734 | Pulse width modulator for a printing device | Douglas G. Keithley, Richard D. Taylor | 2015-02-03 |
| 8874983 | Built-in-self-test using embedded memory and processor in an application specific intergrated circuit | Richard D. Taylor, Mark D. Montierth, Melvin D. Bodily, Gary D. Zimmerman | 2014-10-28 |
| 8762596 | Direct memory access controller with multiple transaction functionality | Douglas G. Keithley, William R. Schmidt | 2014-06-24 |
| 8643661 | Non raster row pixel processing | Douglas G. Keithley, Gordon R. Clark, William R. Schmidt | 2014-02-04 |
| 8566660 | Built-in-self-test using embedded memory and processor in an application specific integrated circuit | Richard D. Taylor, Mark D. Montierth, Melvin D. Bodily, Gary D. Zimmerman | 2013-10-22 |
| 8443121 | Common block interface for data and protocol with handshake | Douglas G. Keithley, Gregory R. Smith, Roy G. Moss | 2013-05-14 |
| 8321731 | Built-in-self-test using embedded memory and processor in an application specific integrated circuit | Richard D. Taylor, Mark D. Montierth, Melvin D. Bodily, Gary D. Zimmerman | 2012-11-27 |
| 8161207 | Common block interface for data and control with handshake protocol | Douglas G. Keithley, Gregory R. Smith, Roy G. Moss | 2012-04-17 |
| 8046652 | Built-in self-test using embedded memory and processor in an application specific integrated circuit | Richard D. Taylor, Mark D. Montierth, Melvin D. Bodily, Gary D. Zimmerman | 2011-10-25 |
| 8045212 | Laser print apparatus that generates pulse with value and justification value based on pixels in a multi-bit image | Douglas G. Keithley | 2011-10-25 |
| 7904614 | Direct memory access controller with multiple transaction functionality | Douglas G. Keithley, William R. Schmidt | 2011-03-08 |
| 7890828 | Built-in self-test using embedded memory and processor in an application specific integrated circuit | Richard D. Taylor, Mark D. Montierth, Melvin D. Bodily, Gary D. Zimmerman | 2011-02-15 |
| 7609409 | Laser print apparatus that generates pulse width value and justification value based on pixels in a multi-bit image | Douglas G. Keithley | 2009-10-27 |
| 7526348 | Computer based automatic audio mixer | John C. Gaddy | 2009-04-28 |
| 7418642 | Built-in-self-test using embedded memory and processor in an application specific integrated circuit | Richard D. Taylor, Mark D. Montierth, Melvin D. Bodily, Gary D. Zimmerman | 2008-08-26 |
| 7359082 | Independent video hardware blocks to support laser printers | Douglas G. Keithley, Richard D. Taylor | 2008-04-15 |
| 7280246 | Laser print apparatus that generates pulse width value and justification value based on pixels in a multi-bit image | Douglas G. Keithley | 2007-10-09 |
| 7228189 | Synchronized streamed playback and recording for personal computers | John C. Gaddy | 2007-06-05 |
| 6606281 | Personal audio player with a removable multi-function module | Clayton Cowgill, Phil Johnson, Michael Walters | 2003-08-12 |
| 5168146 | Bi-directional snap-action register display mechanism | Thierry W. Swinson, Richard Bennett, Kenneth L. Cole | 1992-12-01 |