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Title:
Floor sleeper
United States Patent 1781117
Inventors:
Mackie, James E.
Smith, Aaron J.
Publication Date:
11/11/1930
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Download PDF 1781117
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Assignee:
Mackie, James E.
Smith, Aaron J.
Primary Class:
52/369
Other Classes:
52/374
International Classes:
E04B1/41