Granted Patent
Utility
US 6,173,397 · App. 09/159,967
Processing apparatus and an operation control information update system employing the processing apparatus
Inventor:
Takeshi Masuda
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Sep 24, 1998
Inventor
Takeshi Masuda
Assignee (at issue)
Noritsu Koki 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.