Granted Patent
Utility
US 6,014,464 · App. 08/955,403
Compression/ decompression algorithm for image documents having text graphical and color content
Inventors:
Raymond C. Kurzweil, Kenneth M. MacKenzie, Mark S. Dionne
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Oct 21, 1997
Inventors
Raymond C. Kurzweil
Kenneth M. MacKenzie
Mark S. Dionne
Assignee (at issue)
Kurzweil Educational Systems, 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.