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Electro-acoustic transducer
US 2,894,182 A
Filed
: 10/19/1955
Issued
: 07/07/1959
Est. Priority Date
: 10/19/1955
Status: Expired due to Term
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Current Assignee
Benjamin J. Saggese
,
Siegfried J. Zuerker
Original Assignee
Benjamin J. Saggese
,
Siegfried J. Zuerker
Inventors
Zuerker, Siegfried J.
,
Saggese, Benjamin J.
Application Number
US03/541,436
Time in Patent Office
1,357 Days
Field of Search
US Class Current
335/296
CPC Class Codes
H01F 7/0289
Transducers, loudspeakers, ...
H04R 2209/024
Manufacturing aspects of th...
H04R 31/00
Apparatus or processes spec...
H04R 31/006
Interconnection of transduc...
H04R 9/025
Magnetic circuit
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