Granted Patent
Utility
US 4,955,065 · App. 07/441,331
System for producing dithered images from continuous-tone image data
Inventor:
Robert Ulichney
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Oct 10, 1989
Inventor
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.