Granted Patent
Utility
US 5,845,045 · App. 08/341,380
Method and apparatus for DC motor speed control
Inventors:
Frank Jeske, Arno Karwath, Hermann Rappenecker
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Nov 17, 1994
Inventors
Frank Jeske
Arno Karwath
Hermann Rappenecker
Assignee (at issue)
Papst Motoren GmbH & Co KG
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.