Granted Patent
Utility
US 6,580,976 · App. 09/752,108
Methods and apparatus for very close following train movement
Inventor:
John M. Belcea
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Dec 29, 2000
Inventor
John M. Belcea
Assignee (at issue)
GE Harris Railway Electronics LLC
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.