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Means for aiding hearing
US 2,995,633 A
Filed
: 09/25/1958
Issued
: 08/08/1961
Est. Priority Date
: 09/25/1958
Status: Expired due to Term
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Current Assignee
Lawrence, Joseph L.
,
Puharich, Henry K.
Original Assignee
Lawrence, Joseph L.
,
Puharich, Henry K.
Inventors
Puharich, Henry K.
,
Lawrence, Joseph L.
Application Number
US03/763,406
Time in Patent Office
1,048 Days
Field of Search
US Class Current
600/25
CPC Class Codes
A61F 11/04
Methods or devices for enab...
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