Criado por Audrianna Green
quase 4 anos atrás
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Questão | Responda |
Inventor of elevator doors that open and close |
Alexander Miles
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Alexander Miles (image/png)
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Inventor of products from peanuts like peanut butter, face lotion, and glue | George Washington Carver |
Inventor of the traffic signal | Garret Morgan |
Inventor of the Super Soaker Water Gun | Lonnie Johnson |
Inventor of the first home security system | Marie Van Brittan Brown |
Recorded as the first female self-made millionaire; invented the hot comb | Madam CJ Walker |
Inventor of the fire extinguisher | Thomas J Martin |
Inventor of the hand-cranked pencil sharpener |
John Lee Love
Image:
John Lee Love 0 (image/jpeg)
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