United States Patent 2150453
Inventors:
Mulford, Marion R.
Gray, Harry Z.
Publication Date:
03/14/1939
Assignee:
HEWETT P MULFORD & COMPANY
Other Classes:
229/122.340, D11/143, 206/423, 229/198.200, 229/4.500
International Classes:
B65D5/50; B65D85/52