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Electrical calibration system
US 2,660,165 A
Filed
: 06/16/1950
Issued
: 11/24/1953
Est. Priority Date
: 06/16/1950
Status: Expired due to Term
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Current Assignee
Arthur Miller
Original Assignee
Arthur Miller
Inventors
Miller, Arthur
Application Number
US03/168,491
Time in Patent Office
1,257 Days
Field of Search
US Class Current
600/508
CPC Class Codes
A61B 5/30
Input circuits therefor
A61B 5/308
for electrocardiography [ECG]
Y10S 128/902
Biological signal amplifier
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