Granted Patent
Utility
US 6,737,861 · App. 10/181,492
Method for determining the position of the rotor of an electric machine, and a position sensor
Inventor:
Erkki Lantto
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Oct 25, 2002
Inventor
Erkki Lantto
Assignee (at issue)
High Speed Tech Oy Ltd.
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.