Title:
SWIMMING POOL COVER
Document Type and Number:
United States Patent 3423767

Inventors:
Crook, Hubert D.
Publication Date:
01/28/1969
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Referenced by:
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Assignee:
ETHYL CORP
Primary Class:
4/503
Other Classes:
4/498, D25/56, 135/120.300, D25/2, 135/96, 135/127
International Classes:
E04H4/10; E04H4/00; E04F10/04; E04H3/16
US Patent References:
1593431Shade for balers
2914776Clamp
2964759Frame for swimming pool cover
3063062Swimming pool cover
3158161Swimming pool cover


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