Today in 1882, US Patent 256717 A was issued, an invention of Clement Albert Maus, for his “Apparatus For Drawing Beer.” There’s no Abstract, although in the description it includes this summary:
The object of my said invention is to draw beer, ale, &c., from the keg or other vessel in which it is held without liberating the gases therein contained; and it consists in the construction and arrangement of parts hereinafter described and claimed.