Granted Patent
Utility
US 5,533,016 · App. 08/242,799
Communications network ring router
Inventors:
William James Cook, Paul Seymour
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: May 16, 1994
Inventors
William James Cook
Paul Seymour
Assignee (at issue)
Bell Communications Research, 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.