Granted Patent
Utility
US 6,793,622 · App. 10/233,405
Electric bending endoscope
Inventors:
Yutaka Konomura, Yasuo Hirata, Takakazu Ishigami
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Sep 4, 2002
Inventors
Yutaka Konomura
Yasuo Hirata
Takakazu Ishigami
Assignee (at issue)
Olympus Optical Co., Ltd.
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.