…typically assigned his patent rights to his employers or sold them to investors. In 1920, toward the end of his life, McCoy formed the Elijah McCoy Manufacturing Company to produce lubricators bearing his name.
McCoy married Ann Elizabeth Stewart in 1868. She died four years after their marriage. In 1873, McCoy married Mary Eleanor Delaney. In 1922, the McCoys were involved in an automobile accident. Mary died, while Elijah sustained critical injuries from which he never fully recovered.
Elijah McCoy died in the Eloise Infirmary in Detroit, Michigan, on October 10, 1929. He was 85. He is buried at Detroit Memorial Park East in Warren, Michigan.