Granted Patent
Utility
US 5,594,814 · App. 08/445,724
OCR image preprocessing method for image enhancement of scanned documents
Inventors:
Bruce B. Fast, Dana R. Allen
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: May 22, 1995
Inventors
Bruce B. Fast
Dana R. Allen
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.