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Hearing aid
US 3,209,082 A
Filed
: 08/16/1962
Issued
: 09/28/1965
Est. Priority Date
: 05/27/1957
Status: Expired due to Term
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Current Assignee
Harry A. Wayne
,
Stuart G. Mccarrell
Original Assignee
Harry A. Wayne
,
Stuart G. Mccarrell
Inventors
Mccarrell, Stuart G.
,
Wayne, Harry A.
Application Number
US04/198,694
Time in Patent Office
1,139 Days
Field of Search
US Class Current
381/328
CPC Class Codes
H04R 25/02
adapted to be supported ent...
H04R 25/456
mechanically
H04R 25/606
acting directly on the eard...
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