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Crescent Roofing Company Limited
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Swansea, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Method of making static solar heat collectors
Patent number
4,405,396
Issue date
Sep 20, 1983
Crescent Roofing Company Ltd.
Kenneth O. P. Brill-Edwards
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Static solar heat collectors
Patent number
4,284,065
Issue date
Aug 18, 1981
Crescent Roofing Company Limited
Kenneth O. P. Brill-Edwards
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Roofing panels
Patent number
4,278,071
Issue date
Jul 14, 1981
Crescent Roofing Company Limited
Kenneth O. P. Brill-Edwards
F24 - HEATING RANGES VENTILATING