Granted Patent
Utility
US 5,177,739 · App. 07/513,353
Multiport - multipoint digital data service
Inventors:
Rogelio J. Basnuevo, Jose R. Diaz, Norman J. Donaghue, Jr., Jorge Valdes, Stephen J. Winter
Patented Case
View Patent ↗
Granted: Jan 5, 1993
Filed: Apr 20, 1990
Inventors
Rogelio J. Basnuevo
Jose R. Diaz
Norman J. Donaghue, Jr.
Jorge Valdes
Stephen J. Winter
Assignee (at issue)
Racal Data Communications, 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.