Granted Patent
Utility
US 4,707,753 · App. 06/807,044
Disk drive head access mechanism
Inventors:
William J. Friehauf, Donovan M. Janssen, Alan J. Kirton, Michael E. Nard, Leroy Rose
Patented Case
View Patent ↗
Granted: Nov 17, 1987
Filed: Dec 9, 1985
Inventors
William J. Friehauf
Donovan M. Janssen
Alan J. Kirton
Michael E. Nard
Leroy Rose
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.