United States Patent 2849572
Inventors:
Cellerini, Albert R.
Dorfman, Hiller D.
Publication Date:
08/26/1958
Assignee:
WESTINGHOUSE ELECTRIC CORP
Other Classes:
337/146, 337/167, 200/3, 200/5R
International Classes:
H01H9/10; H01H21/02; H01H9/00; H01H21/00