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Benjamin Banneker invented the first watches in America
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Elijah McCory improved lubricators for stem engines
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Sara Boone improved the ironing board
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Dr. Daniel Hale Williams Famous Operation.....Performed first open heart surgery
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George Washington Carver invented peanuts
Peanuts -
George Grant improved the golf tee
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Kevin Woolfolk invented the hamster workout wheel
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Madame C J Walker invented hair products.
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Alice Parker invented central heating
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Jerry Shelby invented engine protection for rocket booster