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Audience reaction system
US 2,712,976 A
Filed
: 12/03/1953
Issued
: 07/12/1955
Est. Priority Date
: 12/03/1953
Status: Expired due to Term
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0
Petitions
17
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17 Citations
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Current Assignee
Paul H. Blaustein
,
Wald Franklin D R
,
William J. Millard Jr
Original Assignee
Paul H. Blaustein
,
Wald Franklin D R
,
William J. Millard Jr
Inventors
Blaustein, Paul H.
,
WALD FRANKLIN D R
,
Millard, William J. Jr.
Application Number
US03/395,889
Time in Patent Office
586 Days
Field of Search
US Class Current
346/33.00R
CPC Class Codes
H04H 60/33
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