Granted Patent
Utility
US 5,729,397 · App. 07/999,502
System and method for recording direct access storage device operating statistics
Inventors:
Hal Hjalmar Ottesen, Gordon James Smith
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Dec 31, 1992
Inventors
Hal Hjalmar Ottesen
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.