Granted Patent
Utility
US 6,324,995 · App. 09/326,766
Railway car center filler plate
Inventors:
Horst T. Kaufhold, Douglas L. Compton, Leonard D. Thomason, Jeffery R. Ladendorf, Brian A. Toussaint
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Jun 4, 1999
Inventors
Horst T. Kaufhold
Douglas L. Compton
Leonard D. Thomason
Jeffery R. Ladendorf
Brian A. Toussaint
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
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.