Granted Patent
Utility
US 5,237,571 · App. 07/766,637
Broadcast system for distributed switching network
Inventors:
John M. Cotton, Neil C. Olsen, Nicholas Necula, William A. Oswald
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Sep 26, 1991
Inventors
John M. Cotton
Neil C. Olsen
Nicholas Necula
William A. Oswald
Assignee (at issue)
IPC Information Systems, LLC
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.