Title:
Suction cleaner
United States Patent 2099391

Inventors:
Gerber, Dale C.
Publication Date:
11/16/1937
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Assignee:
HOOVER CO
Primary Class:
96/421
Other Classes:
55/DIG.034, 116/271, 15/DIG.011
International Classes:
A47L9/19; A47L9/10