Today in 1888, US Patent 385986 A was issued, an invention of Alois Aufrichtig, for his “Beer Cooler.” There’s no Abstract, although in the description it includes this summary:

I have invented a certain new and useful Improvement in Beer-Coolers. The improvement consists in such construction that either one or more of the pipes or elbows may be removed, and, in combination with such construction, a flanged elbow having parts of different lengths, so that one of the flanges may be in line with the sectional post and the other outside such line.