Granted Patent
Utility
US 6,683,737 · App. 09/909,294
Method and apparatus for predictive failure analysis technique for head crashes in hard drives using position error signal
Inventors:
Karl Gong, Hal Hjalmar Ottesen, Gordon James Smith
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Jul 19, 2001
Inventors
Karl Gong
Hal Hjalmar Ottesen
Gordon James Smith
Assignee (at issue)
Hitachi Global Storage Technologies Netherlands B.V.
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.