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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Richards; George B.
Address:
Longview, TX
No. of patents:
1
Patents:




Patent Number Title Of Patent Date Issued
4201225 Method and apparatus for measuring stimulated acoustic reflex latency time May 6, 1980
In a hearing test apparatus, a continuous tone of constant frequency is applied to one ear of a patient. A second tone is initiated in an ear of the patient and the resulting response of the intra-aural muscles is detected by measuring the change in ear canal compliance. A clock circuit


 
 
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