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INVENTIONS

Thomas Jefferson invented the dumbwaiter.
The monkey wrench is named after its inventor, a London blacksmith named Charles Moncke.
Roulette was invented by the great French mathematician and philosopher Blaise Pascal. It was a by-product of his experiments with perpetual motion.
Joseph Priestley, the English chemist, invented carbonated water. It was a by-product of his investigations into the chemistry of air.
James Ramsey invented a steam-driven motorboat in 1784. He ran it on the Potomac River, and the event was witnessed by George Washington.
James J. Ritty, owner of a tavern in Dayton, Ohio, invented the cash register in 1879 to stop his patrons from pilfering house profits.
In 1940, a total of ninety-four patents had been taken out on shaving mugs.
In 1875, the director of the United States Patent Office sent in his resignation and advised that his department be closed. There was nothing left to invent, he claimed.
Camel's-hair brushes are not made of camel's hair. They were invented by a man named Mr. Camel.
Benjamin Franklin invented crop insurance.