Granted Patent
Utility
US 6,208,051 · App. 08/414,004
Spindle apparatus
Inventor:
Shigenori Ando
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Mar 17, 1995
Inventor
Shigenori Ando
Assignee (at issue)
Seiko Seiki Kabushiki Kaisha
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.