Granted Patent
Utility
US 5,852,779 · App. 08/578,402
System and method for having a single gateway set-up and maintain local signalling connections
Inventor:
Steven Paul Sawyer
Patented Case
View Patent ↗
Granted: Dec 22, 1998
Filed: Dec 26, 1995
Inventor
Steven Paul Sawyer
Assignee (at issue)
Motorola, 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.