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

1. 

What African-American inventor received 5 patents in the field of shoemaking?
[A]. Elijah McCoy
[B]. Jan Ernst Matzeliger
[C]. Ernest Just
[D]. Lewis Latimer

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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