Granted Patent
Utility
US 5,979,679 · App. 09/049,519
Method for installing a locking wedge and carrier plate assembly
Inventors:
Michael E. Ring, David W. Daugherty, Jr., Scott Natschke
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Mar 27, 1998
Inventors
Michael E. Ring
David W. Daugherty, Jr.
Scott Natschke
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.