Today in 1907, US Patent 850070 A was issued, an invention of Richard B Spikes, for his “Beer-Tapper.” There’s no Abstract, but here’s what the description claims. “My invention relates to that class of devices known ‘beer-tappers,’ which in the nature of appliances for opening and dispensing beer from the keg or barrel. Such devices have heretofore been employed which simultaneously opened an outlet for beer and an interior air.”