Title:
Floor covering
United States Patent 1931650

Inventors:
Armin, Elmendorf
Publication Date:
10/24/1933
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Assignee:
Armin, Elmendorf
Primary Class:
52/389
Other Classes:
404/46, 52/437, 156/297, 52/390, 101/382.100
International Classes:
E04F15/16