Granted Patent
Utility
US 6,815,917 · App. 10/470,140
Automatic lathe, method for controlling the same, and device for controlling the same
Inventor:
Tadashi Fujinawa
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Jul 25, 2003
Inventor
Tadashi Fujinawa
Assignee (at issue)
CITIZEN WATCH 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.