Granted Patent
Utility
US 4,651,241 · App. 06/529,018
Pulse generator in storage drives
Inventors:
Johann von der Heide, Ernst-Moritz Korner, Edgar Müller, Rolf Muller
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: Sep 2, 1983
Inventors
Johann von der Heide
Ernst-Moritz Korner
Edgar Müller
Rolf Muller
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.