In 1926 he incorporated the "Armstrong Seadrome Development Company", of Wilmington, Delaware.
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However, Mr Armstrong's efforts with DuPont and Sun Ship Building, owned by Sun Oil, led his ideas and basic designs to be used by the oil industry to create the Semi-submersible off shore oil rig.
Louis Armstrong | Robert Louis Stevenson | Robert De Niro | Robert E. Lee | Robert Mugabe | Robert Redford | Robert Burns | Robert Bosch GmbH | Robert | Robert A. Heinlein | Robert Schumann | Robert Browning | King Edward VII | Edward I of England | Edward III of England | Lance Armstrong | Robert Rauschenberg | Neil Armstrong | Edward VIII | Robert Plant | Edward VII | Prince Edward Island | Prince Edward, Earl of Wessex | George Armstrong Custer | Edward III | Edward | Robert Altman | Edward Heath | Edward G. Robinson | Edward Albee |