Granted Patent
Utility
US 6,742,422 · App. 10/380,104
Numerically controlled lathe and method of cutting workpiece on the numerically controlled lathe
Inventors:
Hiroshi Shinohara, Yuji Miyazaki, Atsushi Aoyagi
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Mar 11, 2003
Inventors
Hiroshi Shinohara
Yuji Miyazaki
Atsushi Aoyagi
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.