Granted Patent
Utility
US 6,222,945 · App. 09/016,317
Selective filtering of a dithered image for the purpose of inverse dithering
Inventors:
Shiufun Cheung, Robert Ulichney, Robert MacNamara, Giridharan Iyengar
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jan 30, 1998
Inventors
Shiufun Cheung
Robert Ulichney
Robert MacNamara
Giridharan Iyengar
Assignee (at issue)
Compaq Computer 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.