Granted Patent
Utility
US 6,728,402 · App. 10/463,029
Noise reduction through comparative histograms
Inventors:
Carl J. Ruggiero, Alan Lasneski
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jun 16, 2003
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.