Granted Patent
Utility
US 5,854,722 · App. 08/443,963
Method and apparatus for rotary actuator arc compensation correction in a direct access storage device
Inventors:
Earl A. Cunningham, Kevin J. Erickson, Hal Hjalmar Ottesen
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: May 18, 1995
Inventors
Earl A. Cunningham
Kevin J. Erickson
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.