Granted Patent
Utility
US 6,814,728 · App. 10/081,854
Endoscope having an operation wire
Inventor:
Teruo Ouchi
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Feb 25, 2002
Inventor
Teruo Ouchi
Assignee (at issue)
Pentax Corporation
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.