These inventions won because of features it turned out few use or even know about today. They were designed to solve problems the inventors identified as being substantial and received patents to protect their work. There is much to this subject...https://www.quora.com/q/kyvdkhixnlhvdjdp/These-inventions-won-because-of-features-it-turned-out-few-use-or-even-know-about-today?ch=2 …
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