1 result for “Owens-Corning Fiberglas”
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Patent · February 14, 1961
Filter media and method of making (US Patent 2,971,907, 1961)
…1961, filed August 17, 1955. The patent's description opens: The present invention is based on the discovery that filtering media, having the desired qualities embodied in the objects stated above, can be prepared by forming…