2 results for “General Electric”
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Patent · August 28, 1923
Roof Covering (US Patent 1,466,077, 1923)
…The patent's description opens (from the scanned text): My invention relates to roof coverings in general and more specifically comprises a form of shingle-strip of waterproof material for use in producing a waterproof covering…
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Patent · September 13, 1927
Roofing (US Patent 1,642,316, 1927)
…1927, filed July 5, 1923. The patent's description opens (from the scanned text): My invention relates to roofs in general but is particularly designed to produce a structure which shall not only be waterproof, , but…