Search

• Written by: Ralph S. Frobisher ×
• Clear filters

1 result for “Owens-Illinois”

1. Patent · August 8, 1933

   Insulating Block (US Patent 1,921,518, 1933)

   …It was assigned to Bemis Industries Inc. The patent's description opens (from the scanned text): This invention relates to a new building block and more particularly to a block of this character which is formed…