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05/02/1840 American inventor Hiram Maxim is born

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Maxim Gun

Maxim developed the first portable, fully automatic machine gun. He also invented mousetrap, hair-curling irons, and steam pumps. He laid claim to inventing the lightbulb. Because of lengthy patent disputes with Thomas Edison over his claims, he moved from the USA to England. Maxim even experimented with powered flight.