Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6407830 | Sensor assemblies for color optical image scanners optical scanner and methods of scanning color images | Douglas G. Keithley | 2002-06-18 |
| 6356670 | Conversion of error-diffused facsimile images to lower resolutions | Douglas G. Keithley | 2002-03-12 |