Granted Patent
Utility
US 5,213,761 · App. 07/506,077
Automatic chemical analyzer having an improved delivery mechanism
Inventor:
Toshio Sakagami
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Apr 9, 1990
Inventor
Toshio Sakagami
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.