1 result for “Owens-Corning Fiberglas”
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Patent · December 4, 1956 · page 4
Fibrous structures and methods for manufacturing same (US Patent 2,772,603, 1956)
In the document: …the type described which may be varied in density the absence of such organic binder, heat insulation formed from below three pounds per cubic foot to thirty pounds Corning Fiberglas Corporation, a corporation of Dela Ware