US Patent #2,995,633
August 8, 1961
"Means for Aiding Hearing"
Inventors: Puharich
et al.
EPI256
US Patent #3,170,993
February 23, 1965
"Means for Aiding Hearing by
Electrical Stimulation of the Facial Nerve System"
Inventors: Henry K.
Puharich and Joseph L. Lawrence.
EPI1119
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