Granted Patent
Utility
US 4,879,753 · App. 07/246,940
Thresholding algorithm selection apparatus
Inventor:
Ahmed M. El-Sherbini
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Sep 16, 1988
Inventor
Ahmed M. El-Sherbini
Assignee (at issue)
Wang Laboratories, 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.