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FILE NAME Owens Corning OC DATE 1931-1938 DOC OC293 DOCUMENT DESCRIPTION Patent List I.C. 6984R Patentees SEIL G. E. noo THOMAS F. C. WHITE C. B. Method and Keans for Making Products U. S. Patent 1,807,178 May Synthetic 26 1931 Amphibolic Method of and Apparatus for Subdividing Material U. S. Patent 1,859,992 May 24 1932 Method of Blowing Mineral Wool U. S. Patent 2,136,158 Nov. 8 1938 Producing Rock Wool Method of and Apparatus for U. S. Patent 2,136,988 Nov. 17 1938 7089 - 62 - 01 501 0757