Suction cleaner
United States Patent 2223353

Inventors:
Demaree, Harry S.
Publication Date:
12/03/1940
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Assignee:
HOOVER CO
Primary Class:
15/326
Other Classes:
96/382, 55/363, 15/350, 174/47, 55/374, 55/DIG.021
International Classes:
A47L9/14