SPEAKER, D M <br/><br/>
Apparatus for and method of measuring or indicating limb or digital volume changes resulting from arterial pulsations. No. 2,452,799.  [electronic resource] 

 -  Journal of the Patent Office Society. Patent Office Society (U.S.)  1948 
 - Unknown p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0096-3577 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Blood Pressure--instrumentation<br/>Extremities<br/>Humans