Granted Patent
Utility
US 5,359,728 · App. 07/866,377
Data integrity assurance in a disk drive upon a power failure
Inventors:
Michael R. Rusnack, Ali Piranfar
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Apr 9, 1992
Inventors
Michael R. Rusnack
Ali Piranfar
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.