Granted Patent
Utility
US 6,384,504 · App. 09/486,654
Electric machine with a rotor constructed of permanent magnets and magnetic flux guides
Inventors:
Peter Ehrhart, Gerhard Reiner, Ludwig Lindner, Christian Lucas, Fritz Walter
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Feb 28, 2000
Inventors
Peter Ehrhart
Gerhard Reiner
Ludwig Lindner
Christian Lucas
Fritz Walter
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.