Magnetic device
United States Patent 2277057

Inventors:
Bach, Jesse M.
Publication Date:
03/24/1942
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Assignee:
Bach, Jesse M.
Primary Class:
473/570
Other Classes:
29/607, 292/251.500, 446/139, 273/118A, 473/595, 335/302
International Classes:
A63F7/40; A63F9/34