Granted Patent
Utility
US 5,820,546 · App. 08/826,513
Guiding device for treatment accessories of an endoscope
Inventor:
Teruo Ouchi
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Apr 3, 1997
Inventor
Teruo Ouchi
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.