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About Helen Blanchard
Helen Augusta Blanchard was an American inventor who received 28 patents between 1873 and 1915. She was known for her numerous inventions dealing with sewing machines and sewing technology.
Everything about Helen Blanchard →- Occupation
- inventor, engineer
- Citizenship
- United States
- Born
- October 25, 1840
- Died
- January 12, 1922