Grooved toroidal body with metal filling
United States Patent 3319207

Inventors:
Jesse, Davis
Publication Date:
05/09/1967
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Assignee:
Jesse, Davis
Primary Class:
336/229
Other Classes:
336/200, 336/233, 336/221, 336/208
International Classes:
H01F17/06
US Patent References:
2964722Terminal rings for inductive devices
3185947Inductive module for electronic devices