Title:
Building element or block
United States Patent 1420220


Inventors:
Victor, Roux Emile
Application Number:
US49483521A
Publication Date:
06/20/1922
Filing Date:
08/24/1921
Assignee:
Victor, Roux Emile
Primary Class:
Other Classes:
52/577, 52/600, 52/DIG.9, 106/122, 106/137.1
International Classes:
E04C2/16
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