Wall and block for forming the same
United States Patent 1479647

Inventors:
Carroll, Hugh C.
Publication Date:
01/01/1924
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Assignee:
Carroll, Hugh C.
Primary Class:
52/314
Other Classes:
52/591.100, D25/151, 404/40, 52/564, 52/513
International Classes:
E04B2/16; E04F13/14; E04B2/02; E04B2/14