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United States Patent 2294776

Inventors:
Freeman, Miles E.
Publication Date:
09/01/1942
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Assignee:
Freeman, Miles E.
Primary Class:
52/591.100
Other Classes:
52/286, 52/505, 52/302.400, D21/501, 65/58, D25/118
International Classes:
E04B2/18; E04C1/42; E04B2/02; E04B2/14; E04C1/00