Granted Patent
Utility
US 6,762,520 · App. 10/069,003
Induction-type electric machine
Inventors:
Peter Ehrhart, Goetz Heidelberg
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: May 13, 2002
Inventors
Peter Ehrhart
Goetz Heidelberg
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.