THE PATENT OFFICE 18 the popular name for the seat of the Department of the Interior of which the Patent Office 19 a bureau. It is of the Doric style of Greek architecture and stands on the ground set aside by L'Enfant, the French engineer who planned Washington, for a national church,' Its construction has been piecemeal, following the growth of patent business. In 1867 t was finished at a cost of $2,347,011.65. |