Granted Patent
Utility
US 4,633,345 · App. 06/737,623
Positioning misaligned disk heads
Inventor:
Don S. Keener
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: May 24, 1985
Inventor
Don S. Keener
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.