Granted Patent
Utility
US 4,873,577 · App. 07/146,917
Edge decomposition for the transmission of high resolution facsimile images
Inventor:
Christodoulos Chamzas
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Jan 22, 1988
Inventor
Christodoulos Chamzas
Assignees (at issue)
American Telephone and Telegraph, Co.
AT&T Bell Laboratories
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.