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Spectacle type hearing aid
US 2,613,282 A
Filed
: 09/08/1949
Issued
: 10/07/1952
Est. Priority Date
: 09/08/1949
Status: Expired due to Term
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Current Assignee
Alan M. Scaife
Original Assignee
Alan M. Scaife
Inventors
Scaife, Alan M.
Application Number
US03/114,537
Time in Patent Office
1,125 Days
Field of Search
US Class Current
381/327
CPC Class Codes
G02C 11/06
Hearing aids construction o...
H04R 25/606
acting directly on the eard...
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