AUTOMATICALLY CYCLING SWIMMING POOL CLEANING SYSTEM
United States Patent 3449772

Inventors:
Werner, Arthur W.
Publication Date:
06/17/1969
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Assignee:
Arthur, Werner W.
Primary Class:
4/490
Other Classes:
134/167R
International Classes:
E04H4/16; E04H4/00; E04H3/16; B08B9/00; B08B3/00
US Patent References:
2982971Swimming pool cleaning apparatus
3074078Swimming pool cleaning method and apparatus
3152076Swimming pool surface cleaning apparatus
3261371Swimming pool cleaning system
3278949Swimming pool cleaning apparatus




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