What was Robert fultons enventions?

Robert Fulton was an American engineer and inventor best known for developing the first commercially successful steamboat, the Clermont, which revolutionized water transportation in the early 19th century. He also contributed to submarine design, notably with his creation of the Nautilus, which was one of the first practical submarines. Additionally, Fulton worked on various other innovations, including a canal lock and a steam-powered warship. His inventions significantly advanced naval technology and transportation methods.