Granted Patent
Utility
US 6,347,281 · App. 09/520,383
Remote global positioning device and method
Inventors:
R. Mark Litzsinger, Chris Lawcock
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Mar 8, 2000
Inventors
R. Mark Litzsinger
Chris Lawcock
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.