Granted Patent
Utility
US 5,397,971 · App. 08/274,570
Bi-polar disk torquing system for a disk drive to free stuck transducers
Inventors:
Jeffrey S. McAllister, Boyd Norvell Shelton, Henricus M. Van Hout
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Jul 13, 1994
Inventors
Jeffrey S. McAllister
Boyd Norvell Shelton
Henricus M. Van Hout
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.