Phonocard Trademarks

PHONOCARDIOSCAN
MEDICAL APPLIANCE SUITABLE FOR SCREENING OR DIFFERENTIATING BETWEEN NORMAL AND ABNORMAL SOUNDS OF A HEART
Expired  ·  July 20, 1966  ·  72250697  · 
PHONOCARDIOTIMER
MEDICAL APPLIANCE SUITABLE FOR USE IN CONJUNCTION WITH A STETHOSCOPE IN MEDICAL DIAGNOSIS BASED ON AUSCULATION
Expired  ·  July 27, 1966  ·  72251163  ·