Eudicot is actually same as dicot-and it is not the same. It is quite new name for  modern dicots. The plants that are not eudicots could be called paleodicots referring to their more primitive origin.
Invented by : Elisha Graves Otis. Invented in year : 1852. Elevator is a lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people or cargo from one floor to another in a building. They are also known as Lifts.
Elisha Otis has been wrongfully described many times as the inventor of the elevator or the inventor of the modern elevator. He created the invention that has garnered him so many legacies, while working on an elevator. Elisha Graves Otisâs patent is for a safety device on the hoisting apparatus on the platform. The patent was filed in 1852, but only the drawings remain. The drawing is slightly unrecognizable to the untrained eye.