Title:
Detector and alarm ventricular impulses
United States Patent 3138151

Inventors:
Chapman, Robert L.
Gofman, John W.
Publication Date:
06/23/1964
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Assignee:
Chapman, Robert L.
Gofman, John W.
Primary Class:
600/518
International Classes:
A61N1/39; A61B5/024
US Patent References:
2829637Heart beat indicator
2854968Indicating and signaling device for circulatory systems and the like
3002185
3048166