Granted Patent
Utility
US 6,466,847 · App. 09/653,651
Remote control system for a locomotive using voice commands
Inventor:
Folkert Horst
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Sep 1, 2000
Inventor
Folkert Horst
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.