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Magnetic detachable holding device
United States Patent 2943246
US Patent References:
Display device
- - 1624741
Tie holder
- - 2601424
Strike for magnetic catches
- - 2694592
Magnetic circuit comprising a ferromagnetic part having high permeability and a substantially flat, thin permanent magnet
- - 2698917
Inventors:
Riordan, Howard C.
Publication Date:
06/28/1960
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Download PDF 2943246
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Assignee:
Riordan, Howard C.
Primary Class:
335/285
Other Classes:
55/DIG.006, 40/621, 402/503, 402/70
International Classes:
H01F7/02
Foreign References:
GB544110A
DE814855C