Granted Patent
Utility
US 5,892,811 · App. 08/566,753
Radio telecommunication network and method for unobtrusive call interception via transcoder bypass
Inventors:
Peter J. Armbruster, Johanna Wild
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Dec 4, 1995
Inventors
Peter J. Armbruster
Johanna Wild
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.