Title:
Vacuum sweeper
United States Patent 2367437

Inventors:
Salt, Lloyd B.
Publication Date:
01/16/1945
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Assignee:
B F STURTEVANT CO
Primary Class:
15/323
Other Classes:
297/188.100, 297/217.300, 312/235.200, 15/327.200
International Classes:
A47L9/00