Granted Patent
Utility
US 6,640,106 · App. 09/957,417
Method and system for verifying the position of a mobile station using checkpoints
Inventors:
Gerald Gutowski, Stanley J. Benes
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Sep 20, 2001
Inventors
Gerald Gutowski
Stanley J. Benes
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.