Granted Patent
Utility
US 6,678,408 · App. 09/442,348
Noise reduction through comparative histograms
Inventors:
Carl J. Ruggiero, Alan Lasneski
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Nov 17, 1999
Inventors
Carl J. Ruggiero
Alan Lasneski
Assignee (at issue)
INFOCUS 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.