Granted Patent
Utility
US 5,118,166 · App. 07/695,841
Quick service function for railway freight brake control valve device
Inventor:
Fredrick Panebianco
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: May 6, 1991
Inventor
Fredrick Panebianco
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.