Granted Patent
Utility
US 5,539,592 · App. 08/319,383
System and method for monitoring friction between head and disk to predict head disk interaction failure in direct access storage devices
Inventors:
Willard K. Banks, Kok-Kia Chew, Donald Ray Gillis, Gordon James Smith
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Oct 5, 1994
Inventors
Willard K. Banks
Kok-Kia Chew
Donald Ray Gillis
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.