Granted Patent
Utility
US 6,498,660 · App. 09/785,900
System and method for the dynamic thresholding of grayscale image data
Inventor:
Richard Haltmaier
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Feb 16, 2001
Inventor
Richard Haltmaier
Assignee (at issue)
Oak Technology, Inc.
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.