site visitors sign/Garrett Morgan 1923 .....incorrect! Invented in London in 1868 by utilizing JP Knight Peanut Butter/George Washigton Carver incorrect back! Peanuts are interior sight to the international and characteristic been mashed into paste by utilizing the Aztecs. Peanut Butter comes from the US patent#306727 issued to Marcellus Gilmore Edson of Quebec Canada The Blood financial employer/ Charles Drew 1940, .....incorrect! It replaced into Dr. Oswald H Robertson US military throughout WW one million Air Brakes/Granville Woods 1922...incorrect back! George Westinghouse in 1869 US Patent#88929
