2 results for “Owens-Corning Fiberglas”
-
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…
-
Patent · June 25, 1957
Method of making filter media (US Patent 2,797,163, 1957)
…1952. The patent's description opens (from the scanned text): This invention relates to a new and improved fibrous material and a method for making the same by a wet process and relates particularly to an…