Granted Patent
Utility
US 5,550,820 · App. 08/323,341
Multiple protocol personal communications network system
Inventor:
Paul Baran
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: Oct 14, 1994
Inventor
Paul Baran
Assignee (at issue)
COM21, 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.