Granted Patent
Utility
US 4,516,177 · App. 06/475,599
Rotating rigid disk data storage device
Inventors:
William G. Moon, Ronald R. Moon, Bruce R. Peterson, Donald C. Westwood
Patented Case
View Patent ↗
Granted: May 7, 1985
Filed: Mar 15, 1983
Inventors
William G. Moon
Ronald R. Moon
Bruce R. Peterson
Donald C. Westwood
Assignee (at issue)
Quantum Corporation
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.