Granted Patent
Utility
US 6,448,676 · App. 09/573,839
Pulse width modulated engine cooling fan motor with integrated MOSFET
Inventors:
Peter A. Kershaw, Andrew Lakerdas, Marek Horski, John Makaran
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: May 18, 2000
Inventors
Peter A. Kershaw
Andrew Lakerdas
Marek Horski
John Makaran
Assignee (at issue)
Siemens Automotive 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.