United States Patent 2717336
Inventors:
Craddock, Charles L.
Publication Date:
09/06/1955
Assignee:
MICHAEL RES COMPANY INC
Other Classes:
362/123, 315/241R, 340/331, 345/215, 340/321, 315/232, 315/324, 315/245, 315/234
International Classes:
H05B41/34; H05B41/30