Granted Patent
Utility
US 5,661,351 · App. 08/458,669
Disc drive having a brushless DC drive motor with an external rotor for supporting one or more storage discs
Inventors:
Johann von der Heide, Rolf Muller, Alfred Merkle
Patented Case
View Patent ↗
Granted: Aug 26, 1997
Filed: Jun 2, 1995
Inventors
Johann von der Heide
Rolf Muller
Alfred Merkle
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.