Granted Patent
Utility
US 5,875,066 · App. 08/766,919
Method and apparatus for real-time filtering of a position error signal for a disk drive servo system
Inventor:
Hal Hjalmar Ottesen
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Dec 13, 1996
Inventor
Hal Hjalmar Ottesen
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.