Title:
Swimming pool cover
United States Patent 2912703

Inventors:
Murphy, William A.
Publication Date:
11/17/1959
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Assignee:
Murphy, William A.
Primary Class:
Other Classes:
D25/18, 135/157, D25/56, D25/2, 135/90, 135/148
International Classes:
E04H4/08; E04H4/10; E04H4/00