Granted Patent
Utility
US 6,456,937 · App. 09/475,589
Methods and apparatus for locomotive tracking
Inventors:
John R. Doner, David L. Diana, Kevin N. Clyne
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Dec 30, 1999
Inventors
John R. Doner
David L. Diana
Kevin N. Clyne
Assignee (at issue)
General Electric Company
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.