Granted Patent
Utility
US 5,444,707 · App. 08/090,439
Packet switching communication system
Inventors:
Pavel Cerna, Robert E. Hay
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Jul 9, 1993
Inventors
Pavel Cerna
Robert E. Hay
Assignee (at issue)
Netrix Telcom Systems Corporation
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.