Granted Patent
Utility
US 5,612,845 · App. 08/364,088
Method and apparatus for in-situ detection of data storage system spindle motor performance degradation
Inventor:
Gordon James Smith
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: Dec 27, 1994
Inventor
Gordon James Smith
Assignee (at issue)
International Business Machines 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.