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Railways PYQCBT 2 2017

RRB NTPC · Question 70

Who was awarded the first United States patent in 1846 for the modified version of sewing machine?

  1. Elias Howe

  2. Alessandro Volta

  3. Ernest Rutherofrd

  4. John Napier

Show answer & explanation

Answer: (A) Elias Howe

Explanation

Elias Howe received a US patent in 1846 for his lockstitch sewing machine design.