Granted Patent
Utility
US 4,672,679 · App. 06/523,739
Context redundancy text compression
Inventor:
Ernest A. Freeman, Jr.
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Aug 16, 1983
Inventor
Ernest A. Freeman, Jr.
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.