Granted Patent
Utility
US 5,361,010 · App. 07/051,904
Tachogenerator for speed control of electric motors
Inventor:
Rolf Muller
Patented Case
View Patent ↗
Granted: Nov 1, 1994
Filed: May 19, 1987
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.