Granted Patent
Utility
US 6,473,116 · App. 09/471,368
Electronic endoscope
Inventor:
Tadashi Takahashi
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Dec 23, 1999
Inventor
Tadashi Takahashi
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.