Granted Patent
Utility
US 5,717,297 · App. 08/465,138
Drive circuit for brushless DC motors
Inventors:
Arno Karwath, Mojtaba Moini, Eberhard Wunsch
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: Jun 5, 1995
Inventors
Arno Karwath
Mojtaba Moini
Eberhard Wunsch
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.