Granted Patent
Utility
US 5,469,495 · App. 08/357,558
Method and apparatus for delivering secured telephone service in hybrid coaxial cable network
Inventor:
Gregory J. Beveridge
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Dec 16, 1994
Inventor
Gregory J. Beveridge
Assignee (at issue)
U S West Advanced Technologies, 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.