Granted Patent
Utility
US 4,430,651 · App. 06/296,952
Expandable and contractible local area network system
Inventors:
David Bryant, Ryn C. Corbeil, Michael Malcolm, Lawrence D. Rogers, Donald R. Thompson
Patented Case
View Patent ↗
Granted: Feb 7, 1984
Filed: Aug 27, 1981
Inventors
David Bryant
Ryn C. Corbeil
Michael Malcolm
Lawrence D. Rogers
Donald R. Thompson
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.