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1 result for “Owens-Corning Fiberglas”

1. Patent · October 14, 1941

   Building Construction (US Patent 2,258,955, 1941)

   …258,955 on October 14, 1941, filed April 20, 1939. The patent's description opens (from the scanned text): The present invention relates structions, particularly of' the masonry type, and to a. louver structure employed therein…