Granted Patent
Utility
US 6,750,576 · App. 10/204,509
Permanent magnet induced electric machine and method for operating such a machine
Inventors:
Peter Ehrhart, Roland Hagenlocher
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Dec 13, 2002
Inventors
Peter Ehrhart
Roland Hagenlocher
Assignee (at issue)
Magnet-Motor Gesellschaft fuer magnetmotorische Technik mbH
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.