Granted Patent
Utility
US 5,831,409 · App. 08/808,354
Electric vehicle propulsion system employing AC induction motor control
Inventors:
Frank A. Lindberg, David L. Schantz, Jr., Brian H. Smith, Charles S. Kerfoot, Joseph J. Springer, Patricia A. O'Donnell, James H. DeOms, Ronnie L. Starling, Michael J. Ankrom, James L. Munro, Geoffrey B. Lansberry, Beth A. Herman, William B. Hall, Marshall Gordon Jones, William B. Winkel, Brian A. DeAbreu, Thomas Charles Underwood, Todd M. Zaranski, Aaron Valdivia, Richard M. Young, Frank E. Altoz, Ngon B. Nguyen, Eric L. Mohler
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Feb 28, 1997
Inventors
Frank A. Lindberg
David L. Schantz, Jr.
Brian H. Smith
Charles S. Kerfoot
Joseph J. Springer
Patricia A. O'Donnell
James H. DeOms
Ronnie L. Starling
Michael J. Ankrom
James L. Munro
Geoffrey B. Lansberry
Beth A. Herman
William B. Hall
Marshall Gordon Jones
William B. Winkel
Brian A. DeAbreu
Thomas Charles Underwood
Todd M. Zaranski
Aaron Valdivia
Richard M. Young
Frank E. Altoz
Ngon B. Nguyen
Eric L. Mohler
Assignee (at issue)
NORTHROP GRUMMAN CORPORATION
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.