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Henry Ford built his empire on this invention. He created an assembly where each worker focused on one thing. This made it easy to build and sell.
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The tommy gun was patented by John Thompson. This was favored by many at the time for its compactness and versatility.
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Garrett Morgan first invented the traffic light anf officer William Potts put it to work in the 1920s. The first colors were green, amber, and red
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Fredrick Banting and Charles Best discover insulin. They first started testing on dogs and realized that the insulin injected into the diabetic dog brought his glucose level down to normal.
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Engineer Benjamin Holt invents the bulldozer!
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Clarence Birdseye invents frozen food by flash freezing them under high pressure. He turned his $7 investment into his $22 million industry.
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The first liquid fueled rockets were launched in Auburn, Massachusetts. The scientist and inventor Robert Goddard created the this rocket.
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Erik Rotheim patents the aerosol can. This proved to be very beneficial today because of the many products that use pressurized cans to pack chemicals.
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Walter E. Diemer invented bubble gum and perfected the formula in his free time. Pink was the only dye available so it became the standard.
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The first radio is invented and was a huge success because it connected people from different areas and people could be updated on events.
