Fastening device for wall boards
United States Patent 1772417

Inventors:
Ellinwood, George G.
Publication Date:
08/05/1930
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Assignee:
Ellinwood, George G.
Primary Class:
52/461
Other Classes:
52/468, 52/772, 52/278
International Classes:
E04B9/26; E04F19/06; E04B9/22; E04F19/02