Granted Patent
Utility
US 6,606,536 · App. 09/511,442
Magnetic bearing device and magnetic bearing control device
Inventor:
Mitsuto Aso
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Feb 23, 2000
Inventor
Mitsuto Aso
Assignee (at issue)
SEIKO INSTRUMENTS INC.
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.