Granted Patent
Utility
US 6,301,074 · App. 09/781,425
Spindle device having a dynamic-pressure-fluid bearing
Inventors:
Katsunori Sakuragi, Yasuo Saeki
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Feb 13, 2001
Inventors
Katsunori Sakuragi
Yasuo Saeki
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.