2 results for “Owens-Corning Fiberglas”
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Patent · February 22, 1949
Gasket Centering Device (US Patent 2,462,762, 1949)
…October 19, 1944. The patent's description opens (from the scanned text): This invention relates to centering ring means for receiving and retaining gaskets in order to facilitate positioning the gaskets between pipe anges, manhole covers…
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Patent · April 5, 1949
Gasket (US Patent 2,466,263, 1949)
…1944. The patent's description opens (from the scanned text): The invention is not restricted to any particular size or shape of the protuberances except that they are formed of such contour as to readily interfit…