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

  • (A) Lewis Latimer
  • (B) Jan Ernst Matzeliger
  • (C) Elijah McCoy
  • (D) Ernest Just
✅ Correct Answer: (B) Jan Ernst Matzeliger

Published by Ram Sharma ⭐ 193.88K Points at 20-Nov-2021 08:36 pm in General Awareness

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