Magnetic detachable holding device
United States Patent 2943246

Inventors:
Riordan, Howard C.
Publication Date:
06/28/1960
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Assignee:
Riordan, Howard C.
Primary Class:
Other Classes:
55/DIG.006, 40/621, 402/503, 402/70
International Classes:
H01F7/02
Foreign References:
GB544110A
DE814855C