Granted Patent
Utility
US 5,519,270 · App. 08/106,723
Spindle motor and disk drive having the same
Inventors:
Tomoyoshi Yamada, Yoshifumi Mizoshita, Keiji Aruga
Patented Case
View Patent ↗
Granted: May 21, 1996
Filed: Aug 16, 1993
Inventors
Tomoyoshi Yamada
Yoshifumi Mizoshita
Keiji Aruga
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.