Title:
Demonstrating device for suction cleaners
Document Type and Number:
United States Patent 2613454

Inventors:
White, Harry B.
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Sponsored by:
Flash of Genius
Publication Date:
10/14/1952
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Assignee:
HOOVER CO
Primary Class:
Other Classes:
434/384, 55/503, 138/92, 96/417, 96/416, 55/481, 15/350, 210/447, 55/DIG.003, 55/493
International Classes:
A47L9/19; G09B25/02; A47L9/10; G09B25/00
US Patent References:
1006031
1327377Pipe-door
2046636Suction cleaner
2184406Suction cleaner
2184433Suction cleaner




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