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April 1, 2024
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⟶ è stato aggiornato 17 ott 2017 ⟶
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telephone Alexander Graham 1876
Motion Picture Thomas Edison
vacuum cleaner \ Ives W. McGuffey
electric washing machine Alva J. Fisher
plastic Leo Hendrik Baekeland
television Philo Taylor Farnsworth
typewriter Christopher Latham Sholes, Frank Haven Hall, Carlos Glidden and Samuel W. Soule in Milwaukee
rail road George Stephenson
light bulb
helicopter Igor Sikorsky