Granted Patent
Utility
US 4,236,820 · App. 06/011,460
Cuvette and standard holder for oximeters
Inventor:
Terence Walker
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Feb 12, 1979
Inventor
Terence Walker
Assignee (at issue)
American Optical Corporation
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.