Granted Patent
Utility
US 6,206,824 · App. 09/271,154
Flexible tube for endoscope and method of producing the flexible tube
Inventors:
Kenichi Ohara, Yoshinori Shibata, Hiromichi Shibuya, Hitoshi Hirose, Kikuo Iwasaka, Tatsuo Kubota, Masaya Sato, Tadashi Kasai
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Mar 17, 1999
Inventors
Kenichi Ohara
Yoshinori Shibata
Hiromichi Shibuya
Hitoshi Hirose
Kikuo Iwasaka
Tatsuo Kubota
Masaya Sato
Tadashi Kasai
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.