Granted Patent
Utility
US 5,465,182 · App. 08/058,011
Recording method of servo information
Inventor:
Tetsuro Ishikawa
Patented Case
View Patent ↗
Granted: Nov 7, 1995
Filed: May 5, 1993
Inventor
Tetsuro Ishikawa
Assignee (at issue)
Fujitsu Limited
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.