Granted Patent
Utility
US 5,697,891 · App. 08/778,974
Surgical retractor with accessory support
Inventor:
Koichiro Hori
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jan 6, 1997
Inventor
Koichiro Hori
Assignee (at issue)
Vista Medical Technologies, Inc.
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.