Today in 1892, US Patent 482474 A was issued, an invention of Frank Anthony Frumviller, for his “Beer Faucet.” There’s no Abstract, although in the description it includes these claims:

This invention relates to improvements in beer-faucets, the objects in view being to provide a faucet of cheap and simple construction adapted to be applied to any of the ordinary bung-faucets, and so constructed as to be applied or removed to the same without removing the bung or rod, and thus obviating any change of pressure upon the beer or permitting it to become fiat by reason of such application or removal, wherebyI am enabled to draw the beer either at the point of location of the keg or at some distant point.