Granted Patent
Utility
US 6,364,371 · App. 09/579,735
Conical flange interface for railway applications
Inventor:
Albert A. McKay
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: May 26, 2000
Inventor
Albert A. McKay
Assignee (at issue)
Westinghouse Air Brake Technologies 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.