Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11304281 | Intelligent dusk detection for automatic light controller | — | 2022-04-12 |
| 9159005 | Method and apparatus for optimizing memory usage in an imaging device | Mark D. Montierth, Randall D. Briggs, Douglas G. Keithley | 2015-10-13 |
| 9110423 | Method and apparatus for determining an amount of toner within a toner cartridge based on acoustic properties of the toner cartridge | — | 2015-08-18 |
| 8941882 | Method of pre-processing data on a host machine for a host-based print system | Lyman Leonard Hall, Douglas G. Keithley, Gary D. Zimmerman | 2015-01-27 |
| 8559048 | Method and apparatus for storing demonstration page information in an imaging device | Mark D. Montierth, Randall D. Briggs, Douglas G. Keithley | 2013-10-15 |
| 8495333 | Method and apparatus for optimizing memory usage in an imaging device | Mark D. Montierth, Randall D. Briggs, Douglas G. Keithley | 2013-07-23 |
| 8368950 | Method of pre-processing data on a host machine for a host-based print system | Lyman Leonard Hall, Douglas G. Keithley, Gary D. Zimmerman | 2013-02-05 |
| 8355157 | Method and apparatus for storing demonstration page information in an imaging device | Mark D. Montierth, Randall D. Briggs, Douglas G. Keithley | 2013-01-15 |
| 8306363 | Methods and systems for image scaling | Douglas G. Keithley | 2012-11-06 |
| 8230197 | Memory usage in imaging devices | Mark D. Montierth, Randall D. Briggs, Douglas G. Keithley | 2012-07-24 |
| 8144358 | Providing demonstration page information in an imaging device | Mark D. Montierth, Randall D. Briggs, Douglas G. Keithley | 2012-03-27 |
| 8121436 | Methods and systems for image scaling | Douglas G. Keithley | 2012-02-21 |
| 8122220 | Memory usage in imaging devices | Mark D. Montierth, Randall D. Briggs, Douglas G. Keithley | 2012-02-21 |
| 7957016 | Method and apparatus for image processing | Roy G. Moss, Douglas G. Keithley | 2011-06-07 |
| 7706635 | Methods and systems for image scaling | Douglas G. Keithley | 2010-04-27 |
| 5781707 | Method and apparatus for preventing print overruns by controlling print engine speed | Robert J. Kunz | 1998-07-14 |