Granted Patent
Utility
US 5,504,378 · App. 08/258,027
Direct cooled switching module for electric vehicle propulsion system
Inventors:
Frank A. Lindberg, Richard M. Young, William B. Hall, Frank E. Altoz, Ngon B. Nguyen
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Jun 10, 1994
Inventors
Frank A. Lindberg
Richard M. Young
William B. Hall
Frank E. Altoz
Ngon B. Nguyen
Assignee (at issue)
Westinghouse Electric Company LLC
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.