Title:
Foundation member
United States Patent 2291545

Inventors:
Daniel, Ganz
Irving, Kaplan
Publication Date:
07/28/1942
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Assignee:
Daniel, Ganz
Irving, Kaplan
Primary Class:
428/175
Other Classes:
264/251, 264/257, 428/187, 24/93, 428/179, 24/90.100
International Classes:
B29C45/14