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Loudspeaker enclosures
US 2,986,229 A
Filed
: 01/15/1957
Issued
: 05/30/1961
Est. Priority Date
: 01/15/1957
Status: Expired due to Term
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Current Assignee
Perkins Jr J Carter
Original Assignee
Perkins Jr J Carter
Inventors
PERKINS JR J CARTER
Application Number
US03/634,139
Time in Patent Office
1,596 Days
Field of Search
US Class Current
181/199
CPC Class Codes
H04R 1/2865
for loudspeaker transducers
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