Granted Patent
Utility
US 5,654,889 · App. 08/460,200
Simplified pattern recognition wheel slide protection
Inventors:
James A. Wood, David A. Greer
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Jun 2, 1995
Inventors
James A. Wood
David A. Greer
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.