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  1. What African-American inventor received 5 patents in the field of shoemaking?

    2. A.
    Elijah McCoy
    B.
    Jan Ernst Matzeliger
    C.
    Ernest Just
    D.
    Lewis Latimer

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    Answer : Option B

    Explanation :

    Matzeliger never benefited financially from his inventions. He died in 1889 at the age of 37 from tuberculosis.

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