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• Decade: 1920s ×
• Written by: Ernest F. Nanfeldt ×
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1 result for “Owens-Illinois”

1. Patent · June 14, 1927

   Process of Cleaning Asbestos (US Patent 1,632,620, 1927)

   …filed January 20, 1920. The patent's description opens (from the scanned text): This invention relates to processes of washing or cleaning asbestos to prepare it for subsequent uses or operations, especially those of carding and…