United States Patent 2224050
Inventors:
Heinrich, Hermann
Leopold, Rado
Publication Date:
12/03/1940
Assignee:
Heinrich, Hermann
Leopold, Rado
Other Classes:
383/71, 156/438, 156/179, 156/268, 140/82, 24/30.50W
International Classes:
B65D33/30; B65D77/10; B65D33/16