Granted Patent
Utility
US 5,404,254 · App. 08/127,704
Method and apparatus for controlling head position
Inventor:
Masashi Kisaka
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Sep 27, 1993
Inventor
Masashi Kisaka
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.