Granted Patent
Utility
US 5,929,752 · App. 08/814,982
Clandestine missing vehicle location reporting using cellular channels
Inventors:
James M. Janky, Hamid Najafi, John F. Schipper
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Mar 11, 1997
Inventors
James M. Janky
Hamid Najafi
John F. Schipper
Assignee (at issue)
Trimble Navigation Limited
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.