Granted Patent
Utility
US 6,122,525 · App. 08/972,504
International mobile station identification method and signaling system for cellular radiotelephones and systems
Inventors:
Robert K. Krolopp, Anthony E. Akers
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Nov 18, 1997
Inventors
Robert K. Krolopp
Anthony E. Akers
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.