These American innovators may not be household names, but the stuff they dreamed up changed our lives. You KNOW you've made it as an inventor when your name becomes a part of the language: Levi's, for example. Edison. Ford. Estee Lauder. Just say their names and bingo, you know what they created, and how it changed our everyday world. Part of the genius of this country is the way Americans encourage and embrace breakthrough concepts and products. If you're an innovator or inventor, a tinkerer or adapter, this is the place to be. Not everyone gets famous; not everyone gets rich. But if you've got a great idea, whether it's the steam engine or the search engine, you've got a fair shot at success. Here are four people who never did become household names, but whose ideas changed our lives.
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