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• Decade: 1940s ×
• Person: Robert G. Wetton ×
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1 result for “Owens-Illinois”

1. Patent · March 30, 1943

   Water Repellent Surfacing for Cement (US Patent 2,315,029, 1943)

   …It was assigned to Keasbey and Mattison Co. The patent's description opens (from the scanned text): This invention relates to the provision of a water-repellent surface on structures and-article's of Portland cement…