Title:
Combined reenforce and leveler
Document Type and Number:
United States Patent 1503148
Inventors:
William, Bernstrom Harry
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Publication Date:
07/29/1924
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Assignee:
William, Bernstrom Harry
Primary Class:
Other Classes:
403/192, 220/DIG.032, 24/132R, 52/703, 52/699, 52/704
International Classes:
E04F21/05; E04F21/02