Granted Patent
Utility
US 5,744,882 · App. 08/655,383
Spindle motor
Inventors:
Hiroyoshi Teshima, Akihide Matsuo
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: May 30, 1996
Inventors
Hiroyoshi Teshima
Akihide Matsuo
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.