Granted Patent
Utility
US 5,451,099 · App. 08/365,531
Railway brake pipe bracket access plate
Inventors:
James E. Hart, Gary M. Sich
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Dec 28, 1994
Inventors
James E. Hart
Gary M. Sich
Assignee (at issue)
Westinghouse Air Brake Co.
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.