Today in 1908, US Patent 879983 A was issued, an invention of Harry J. Sandell, for his “Tap and Bush for Beer-Kegs.” There’s no Abstract, although in the description it includes this summary:

My invention has for its object to provide an improved tap anc bush” especially adapted for application to beer kegs, and to this end it consists of the novel devices and combinations of devices hereinafter described and defined in the claims.