2 results for “Owens-Corning Fiberglas”
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Patent · June 7, 1960
Porous ceramic plant husbandry equipment and methods of production thereof (US Patent 2,939,247, 1960)
…It was assigned to Johns Manville. The patent's description opens: This invention relates to fluid-permeable ceramic plant husbandry equipment which has been rendered parasitic minor plant growth proof and to methods for the production…
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Patent · November 21, 1950
Sheet packing and method of manufacture (US Patent 2,530,906, 1950)
…1947. It was assigned to Johns Manville. The patent's description opens (from the scanned text): This invention relates to sheet packing, and is pari'icularlyv concerned With resilient and flexible sheet packin which resists hardening…