Granted Patent
Utility
US 5,602,901 · App. 08/361,400
Specialized call routing method and apparatus for a cellular communication system
Inventors:
James P. Redden, Michael William Krutz, Richard Lawrence Astrom
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Dec 22, 1994
Inventors
James P. Redden
Michael William Krutz
Richard Lawrence Astrom
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.