Title:
Oximeter
United States Patent 2640389

Inventors:
Liston, Max D.
Publication Date:
06/02/1953
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Assignee:
PERKIN ELMER CORP
Primary Class:
600/344
Other Classes:
313/607, 356/41, 315/185R, 313/581
International Classes:
A61B5/00
US Patent References:
2382439Color grading apparatus and method
2439373Flickering beam photometer
2442462Apparatus responsive to variations in the light transmission of blood of living animals for indicating variations in the oxygen content thereof
2562181Method and means for detecting cloudiness of transparent material
Foreign References:
AU2012734A