United States Patent 2430206
Inventors:
Beck, Edward F. W.
Ferguson, John S.
Publication Date:
11/04/1947
Assignee:
WESTINGHOUSE ELECTRIC CORP
Other Classes:
313/235, 313/246, 313/574, 361/124, 313/326, 313/325, 220/2.30R
International Classes:
H01T4/12; H01T4/00