Granted Patent
Utility
US 6,414,969 · App. 09/583,079
Cellular telephone communication protocol
Inventor:
Russell M. Herring
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Jun 2, 1999
Inventor
Russell M. Herring
Assignee (at issue)
ATX 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.