Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9678334 | Oscillating mirror line based image transformation | Douglas G. Keithley | 2017-06-13 |
| 9139020 | Alignment of color planes in multi-beam multi-pass printers | Douglas G. Keithley | 2015-09-22 |
| 8823759 | Systems and methods for laser spacing compensation in laser printing devices | Douglas G. Keithley | 2014-09-02 |
| 8436883 | Systems and methods for laser spacing compensation in laser printing devices | Douglas G. Keithley | 2013-05-07 |
| 8432424 | Alignment of color planes in multi-beam multi-pass printers | Douglas G. Keithley | 2013-04-30 |
| 8120632 | Allignment of color planes in multi-beam multi-pass printers | Douglas G. Keithley | 2012-02-21 |
| 7719558 | Apparatus and method to generate a horizontal synchronization signal for a printer | Douglas G. Keithley | 2010-05-18 |