US Patent and Trademark Office is one of the greatest repositories of practical knowledge in history. But along with a great deal of very serious and edifying material, much legally advised and/or required verbiage, and inventor-inspired general-purpose pleonasms, there are some items in their records that are highly amusing. In this series, occasional examples of such patents and patent applications are going to be extracted and put up for their amusement value.
Some of our pets do need a bit of outside help to moderate their eating behavior and prevent some of its negative consequences. To this end, someone has designed a way to make the amount of food in a bowl look much greater than it really is, and to prevent the swallowing of too much food too fast. How far away are we from a human version of these bowls?
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