Granted Patent
Utility
US 5,523,903 · App. 08/173,541
Sector architecture for fixed block disk drive
Inventors:
Steven R. Hetzler, William John Kabelac
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Dec 23, 1993
Inventors
Steven R. Hetzler
William John Kabelac
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.