Method of constructing swimming pools
United States Patent 2887759
US Patent References:
Method of building sewers and tunnels
- - 1372856
Swimming pool
- - 1963405
Construction of underground tanks for storing liquid fuels and other fluids
- - 2333315
Method of making concrete structures
- - 2376414
Underground storage tank
- - 2382171
Method of building sewers and tunnels
- - 1372856
Swimming pool
- - 1963405
Construction of underground tanks for storing liquid fuels and other fluids
- - 2333315
Method of making concrete structures
- - 2376414
Underground storage tank
- - 2382171
Inventors:
Brownell Jr., Carl A.
Publication Date:
05/26/1959
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Assignee:
Brownell Jr., Carl A.
Primary Class:
Other Classes:
4/DIG.009, 29/428, 52/197, 52/169.700, 52/309.100, 264/316, 264/31, 249/DIG.003
International Classes:
E04H4/00
US Patent References: