Potato Chips George Crum Computer Inventions Dr. Mark Dean World’s Fastest Computer Dr. Philip Emeagwali Automatic Gear Shift Richard Spikes Over 300 Peanut Products George Washington Carver SuperSoaker Lonnie G. Johnson Refrigerator Frederick McKinley Jones America’s First Clock Benjamin Banneker Automatic Elevator Doors Alexander Miles Blimp John Pickering Blood Bank Dr. Charles Drew Imaging XRay […]

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