 In 1920 the Electric Storage Battery Company purchased 40 acres of land in Crescentville, Philadelphia Pennsylvania to build a new plant at the estimated initial cost of two million US dollars.In 1934 the Electric Storage Battery Company filed for the trademark Exide Ironclad and in 1935 their trademark was registered.In 1938, the Electric Storage Battery Company acquired the Giant Storage Battery Company, and expanded into battery chargers and testers.