Granted Patent
Utility
US 4,604,665 · App. 06/440,537
Driving mechanism for magnetic hard disc
Inventors:
Rolf Muller, Dieter Elsasser, Johann von der Heide, Georg Papst
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Nov 10, 1982
Inventors
Rolf Muller
Dieter Elsasser
Johann von der Heide
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.