Granted Patent
Utility
US 5,806,987 · App. 08/796,805
Hydrodynamic bearing apparatus
Inventors:
Tamotsu Nose, Masato Gomyo, Masamichi Hayakawa, Hideki Kanebako
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Feb 6, 1997
Inventors
Tamotsu Nose
Masato Gomyo
Masamichi Hayakawa
Hideki Kanebako
Assignee (at issue)
Sankyo Seiki Mfg. 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.