Granted Patent
Utility
US 5,993,474 · App. 08/872,169
Treatment accessory for endoscope
Inventor:
Teruo Ouchi
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Jun 10, 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.