Granted Patent
Utility
US 6,227,123 · App. 09/268,813
Railroad car pick-up shoe
Inventors:
David A. Lohr, Fred Taylor, William E. Kurtz, Robert Dorian
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Mar 16, 1999
Inventors
David A. Lohr
Fred Taylor
William E. Kurtz
Robert Dorian
Assignee (at issue)
Johnstown America Corporation
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.