Induction device
United States Patent 2415688
US Patent References:
/0723836.html
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Inventors:
Hall Jr., Willard C.
Publication Date:
02/11/1947
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Assignee:
Helen Jr., Mrs. Hall J.
Primary Class:
219/246
Other Classes:
336/119, 219/519, 219/254, 38/74, 336/77, 219/618, 336/DIG.002, 219/50, 219/250, 336/178, 219/503, 219/672
International Classes:
D06F79/04; H01F38/14; H05B6/02; D06F79/00