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• Written by: Roy Pullman ×
• Organization: US Patent Office ×
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1 result for “General Electric”

1. Patent · January 12, 1932

   Packing and Method of Making Same (US Patent 1,840,449, 1932)

   …an improved packing ring especially adapted for use in packing rotary pumps for the water-cooling systems of automobiles, although the packing is not limited to that particular use but is ofmore or less general application.