Granted Patent
Utility
US 5,835,687 · App. 08/734,080
Methods and apparatus for providing digital halftone images with random error diffusion dithering
Inventors:
Joseph C. Brown, Brian Loch
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Oct 21, 1996
Inventors
Joseph C. Brown
Brian Loch
Assignee (at issue)
VIDAR Systems 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.