Vacuum cleaner
United States Patent 3277512
US Patent References:
Vacuum cleaner
- - 2176139

Air-flow control for vacuum cleaners
- - 2561964

Carpet beating and cleaning machine
- - 3148400


Inventors:
Waters, Robert S.
Publication Date:
10/11/1966
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Assignee:
WESTINGHOUSE ELECTRIC CORP
Primary Class:
15/339
Other Classes:
15/337, 15/421, 15/375
International Classes:
A47L5/32; A47L5/22
Foreign References:
FR1016824A