Ultrahigh frequency device
United States Patent 2037799

Inventors:
Koch, Winfield R.
Publication Date:
04/21/1936
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Assignee:
RCA CORP
Primary Class:
331/87
Other Classes:
331/93, 331/172
International Classes:
H03B9/02; H03D11/02; H03F1/04; H03F1/08; H03B9/00; H03D11/00; H03F1/02