Title:
Electroencephalographic apparatus
United States Patent 2712309


Inventors:
Offner, Franklin F.
Application Number:
US39991953A
Publication Date:
07/05/1955
Filing Date:
12/23/1953
Assignee:
Offner, Franklin F.
Primary Class:
Other Classes:
200/46
International Classes:
A61B5/0478
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