Granted Patent
Utility
US 5,602,941 · App. 08/065,956
Input modification system for multilevel dithering
Inventors:
Patrick Charles, Robert McNamara, Robert Ulichney
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: May 21, 1993
Inventors
Patrick Charles
Robert McNamara
Robert Ulichney
Assignee (at issue)
Digital Equipment Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.