Granted Patent
Utility
US 5,897,487 · App. 09/059,424
Front end hood for endoscope
Inventor:
Teruo Ouchi
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Apr 14, 1998
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.