The US Patent Office sees the a lot of strange inventions coming throu... ...through their submission process, hoping to get a patent . However who knew that there was a whole category... ...llection of real life inventions submitted to the Patent *strong class="matche...
https://www.neatorama.com/2011/08/10/self-defense-fashion-from-the-us-patent-office/
Self Defense Fashion From The US Patent Office
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