Granted Patent
Utility
US 5,682,964 · App. 08/720,247
Brake beam wear plate
Inventor:
Richard F. Murphy
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Sep 26, 1996
Inventor
Richard F. Murphy
Assignee (at issue)
ZefTek, Inc.
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.