Granted Patent
Utility
US 6,307,702 · App. 09/209,103
Method of writing servo tracks on magnetic disc and device for the same
Inventors:
Masanori Fukushi, Tetsuya Nagai
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Dec 10, 1998
Inventors
Masanori Fukushi
Tetsuya Nagai
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.