Granted Patent
Utility
US 6,755,843 · App. 09/964,816
Endoscopic suturing device
Inventors:
Sydney Sheung Chee Chung, Hitoshi Mizuno, Tetsuya Yamamoto, Chika Shiro
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Sep 28, 2001
Inventors
Sydney Sheung Chee Chung
Hitoshi Mizuno
Tetsuya Yamamoto
Chika Shiro
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.