Granted Patent
Utility
US 4,190,821 · App. 05/947,854
Self-healing loop communications system
Inventor:
Thomas R. Woodward
Patented Case
View Patent ↗
Granted: Feb 26, 1980
Filed: Oct 2, 1978
Inventor
Thomas R. Woodward
Assignee (at issue)
Burroughs, 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.