Granted Patent
Utility
US 6,807,909 · App. 10/465,192
Method and apparatus for depositing railroad plates along a railroad track bed
Inventor:
William R. Coots
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Jun 19, 2003
Inventor
William R. Coots
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.