Title:
Polygonal electric coil
United States Patent 2930014

Inventors:
Der, Hoek Willem Van
Louis, Lenders Wilhelmus Leonar
Publication Date:
03/22/1960
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Assignee:
PHILIPS CORP
Primary Class:
336/190
Other Classes:
336/224, 336/225, 336/227, 29/605, 336/198, 336/222, 140/92.200
International Classes:
H01F41/06
US Patent References:
2455355Method of making spherical coils for variometers
2559824Method of winding layer wound magnet coils
Foreign References:
FR822289A