Granted Patent
Utility
US 5,885,207 · App. 08/959,077
Flexible tube of endoscope
Inventor:
Kikuo Iwasaka
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Oct 28, 1997
Inventor
Kikuo Iwasaka
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.