Granted Patent
Utility
US 5,219,082 · App. 07/586,524
Male connection member for an articulated coupling arrangement
Inventors:
David W. Daugherty, Jr., Wajih Kanjo, Michael G. Hawryszkow, William D. Wallace, Edward G. Lynch, Jr.
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Sep 21, 1990
Inventors
David W. Daugherty, Jr.
Wajih Kanjo
Michael G. Hawryszkow
William D. Wallace
Edward G. Lynch, Jr.
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.