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4
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His telegraph system worked on moving trains.
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5
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He improved blood storage for bloodbanks.
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6
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Her hair growing lotion and beauty product line for African American women made her very wealthy.
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7
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He made a shoe making or shoe 'lasting' machine
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9
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He made the carbon filament in the light bulb.
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10
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He invented an early gas mask and improved the traffic signal.
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11
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He was a NASA engineer that invented the Super Soaker.
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12
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He improved elevator safety by making automatic doors.
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13
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Her laser corrected cataracts on people's eyes.
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