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North American Utility Construction Corp.
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New York, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Solar energy concentrating slat arrangement and collector
Patent number
4,520,794
Issue date
Jun 4, 1985
North American Utility Construction Corporation
Virgil Stark
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Solar distillation apparatus
Patent number
4,487,659
Issue date
Dec 11, 1984
North American Utility Construction Corp.
Virgil Stark
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Solar energy collection still
Patent number
4,312,709
Issue date
Jan 26, 1982
North American Utility Construction Corp.
Virgil Stark
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Solar energy system with pivoting lens and collector and conduit sy...
Patent number
4,289,118
Issue date
Sep 15, 1981
North American Utility Construction Corp.
Virgil Stark
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Solar distillation apparatus
Patent number
4,270,981
Issue date
Jun 2, 1981
North American Utility Construction Corp.
Virgil Stark
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Solar energy collection
Patent number
4,249,516
Issue date
Feb 10, 1981
North American Utility Construction Corp.
Virgil Stark
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Solar energy system with composite concentrating lenses
Patent number
4,238,246
Issue date
Dec 9, 1980
North American Utility Construction Corp.
Pierre Genequand
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
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