Title:
Magnetic pick-up device
United States Patent 2911871


Inventors:
Schultz, Charles F.
Application Number:
US45585754A
Publication Date:
11/10/1959
Filing Date:
09/14/1954
Assignee:
Schultz, Charles F.
Primary Class:
Other Classes:
84/726, 84/DIG.21, 984/368
International Classes:
G10H3/18
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US Patent References:
Foreign References:
GB588178A1947-05-15
FR990405A1951-09-21