1 result for “Owens-Illinois”
-
Patent · December 5, 1967
Method and means for sealing leaks in buried conduits (US Patent 3,356,777, 1967)
…on December 5, 1967, filed August 10, 1964. It was assigned to Phillips Petroleum Co. The patent's description opens: This invention relates to sealing leaks in buried or otherwise inaccessible conduits such as pipe lines.