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LOUDSPEAKER ASSEMBLY WITH LOUDSPEAKER SUPPORTED BY VIBRATORY DIAPHRAGM
US 3,430,728 A
Filed
: 03/27/1968
Issued
: 03/04/1969
Est. Priority Date
: 03/27/1968
Status: Expired due to Term
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Current Assignee
William S. Dunning
Original Assignee
William S. Dunning
Inventors
Dunning, William S.
Application Number
US04/716,616
Time in Patent Office
342 Days
Field of Search
US Class Current
381/348
CPC Class Codes
H04R 1/2834
for loudspeaker transducers
H04R 1/288
for loudspeaker transducers
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