Granted Patent
Utility
US 5,975,656 · App. 08/912,105
Universal wheel slip force control logic
Inventors:
David E. Schweikert, James A. Wood
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Aug 18, 1997
Inventors
David E. Schweikert
James A. Wood
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.