Question: Who is responsible for inventing the sewing machine?
Disambiguated questions and answers: question: Who is responsible for inventing the lockstitch sewing machine?
Who is responsible for inventing and patenting the sewing machine in 1790?
Who is responsible for inventing the first sewing machine capable of operating quickly and accurately in the 1850s?
answer: Howe
Elias Howe Jr.
Elias Howe
Saint
Thomas Saint
Isaac Singer
Singer
Natural Questions answer: Elias Howe Jr. (from the Wikipedia article "Elias Howe")