Electromagnet
United States Patent 1501787

Inventors:
Howard, Lacy
Publication Date:
07/15/1924
View Patent Images:
Download PDF 1501787 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Howard, Lacy
Primary Class:
336/170
Other Classes:
336/223, 336/206
International Classes:
G06C11/00; H01F5/00; H01F7/06