Title:
Control structure and method of forming the same
United States Patent 2811621

Inventors:
Mucher, George J.
Joy, Alden R.
Publication Date:
10/29/1957
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Assignee:
CLAROSTAT MFG CO INC
Primary Class:
Other Classes:
338/161, 264/273, 338/331, 425/811, 338/174, 29/854, 338/159, 29/621
International Classes:
H01C1/14; H01C10/32; H01C10/00