Granted Patent
Utility
US 6,801,389 · App. 10/062,836
Disk drive employing a spindle motor comprising a hub ratchet arm disengaged through angular velocity
Inventors:
Keith R. Berding, John R. Gustafson
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Jan 31, 2002
Inventors
Keith R. Berding
John R. Gustafson
Assignee (at issue)
WESTERN DIGITAL TECHNOLOGIES, INC.
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.