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HEARING AID HAVING RESILIENT HOUSING
US 3,527,901 A
Filed
: 03/28/1967
Issued
: 09/08/1970
Est. Priority Date
: 03/28/1967
Status: Expired due to Term
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Current Assignee
Robert L. Geib
Original Assignee
Robert L. Geib
Inventors
Geib, Robert L.
Application Number
US04/626,557
Time in Patent Office
1,260 Days
Field of Search
US Class Current
381/328
CPC Class Codes
H04R 25/456
mechanically
H04R 25/50
Customised settings for obt...
H04R 25/60
Mounting or interconnection...
H04R 25/604
of acoustic or vibrational ...
H04R 25/609
of circuitry of electronic ...
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