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.
It is well known that a great deal of love, attention and affection is directed towards our quadrupedal pets. They do have biological needs, but do we really have to share our bathroom facilities with them to this extent?
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