Granted Patent
Utility
US 5,967,179 · App. 09/017,247
Low profile discharge check valve
Inventors:
Michael V. Kazakis, Murtaza R. Dossaji, Charlie Edmond Jones
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Feb 2, 1998
Inventors
Michael V. Kazakis
Murtaza R. Dossaji
Charlie Edmond Jones
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.