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Method and apparatus for measuring and recording group reactions
US 3,034,500 A
Filed
: 05/02/1957
Issued
: 05/15/1962
Est. Priority Date
: 05/02/1957
Status: Expired due to Term
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Current Assignee
Grover C. Jr. Backster
Original Assignee
Grover C. Jr. Backster
Inventors
Backster, Grover C. Jr.
Application Number
US03/656,625
Time in Patent Office
1,839 Days
Field of Search
US Class Current
600/547
CPC Class Codes
A61B 5/0533
Measuring galvanic skin res...
A61B 5/333
Recording apparatus special...
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