Sphygmomanometer
United States Patent 2020469

Inventors:
Isidor, Laufman
Laufman, Arthur L.
Publication Date:
11/12/1935
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Assignee:
Isidor, Laufman
Laufman, Arthur L.
Primary Class:
600/497
Other Classes:
600/499
International Classes:
A61B5/022; G07F17/04; G07F17/00