Granted Patent
Utility
US 4,519,010 · App. 06/326,559
Driving mechanism for magnetic hard disc memories
Inventors:
Dieter Elsaesser, Johann von der Heide, Rolf Muller, Georg Papst
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Dec 2, 1981
Inventors
Dieter Elsaesser
Johann von der Heide
Rolf Muller
Georg Papst
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.