Title:
Automatic swimming pool cleaner
United States Patent 3217886

Inventors:
Ruston, Edward W.
Publication Date:
11/16/1965
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Assignee:
Ruston, Edward W.
Primary Class:
210/167.120
Other Classes:
210/354, 210/242.100, 210/407, 15/1.700
International Classes:
E04H4/16; E04H4/00
US Patent References:
3074078Swimming pool cleaning method and apparatus
3078998Swimming pool cleaner and filter
3108298Swimming pool cleaner