Granted Patent
Utility
US 6,609,829 · App. 10/027,375
Hydrodynamic bearing for motor
Inventors:
Shoichi Saito, Hiromichi Sakano
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Dec 20, 2001
Inventors
Shoichi Saito
Hiromichi Sakano
Assignee (at issue)
Olympus Optical Co., 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.