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11 patently absurd patents

They say necessity is the mother of invention, but some of these are making us think twice.<!-- -->
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</br><i>Click the arrows at the side of the picture or the thumbnails below to scroll through 11 of the most mind-boggling inventions ever submitted to the U.S. patent office.</i><!-- -->
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</br>By <strong>Lucas Reilly, for </strong><strong><a href='http://mentalfloss.com/article/53558/11-absurdly-awesome-inventions' target='_blank'>Mental Floss</a></strong>

They say necessity is the mother of invention, but some of these are making us think twice.

Click the arrows at the side of the picture or the thumbnails below to scroll through 11 of the most mind-boggling inventions ever submitted to the U.S. patent office.

By Lucas Reilly, for Mental Floss