Granted Patent
Utility
US 5,834,873 · App. 08/448,006
Brushless three-phase dc motor
Inventor:
Rolf Muller
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: May 23, 1995
Inventor
Rolf Muller
Assignee (at issue)
Papst Licensing GmbH
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.