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• Decade: 1930s ×
• Written by: Earle R. Williams ×
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1 result for “Union Carbide Corporation”

1. Patent · December 10, 1935 · page 2

   Thermal Insulating Article (US Patent 2,023,985, 1935)

   In the document: …as indicated at 5, and scored on the opposite as indicated at 6, to leave a hinge-like union standing, I have adopted a structure which is side, at the about which the covering may be…