Granted Patent
Utility
US 6,010,426 · App. 08/947,548
Lock device of output shaft
Inventor:
Daijiro Nakamura
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Oct 11, 1997
Inventor
Daijiro Nakamura
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.