Today in 1989, US Patent 4838419 A was issued, an invention of Ferdinand Weits, William F. Mekelburg and Marc R. Latour, assigned to the Adolph Coors Company, for their “Keg Board.” Here’s the Abstract:

A keg board for use in stacking beer kegs and the like in an upright orientation during storage and transporation of the kegs comprising: a generally planar surface for engaging and supporting a generally planar end surface of each keg; and pockets operatively associated with the planar surface for limiting relative lateral shifting movement of the kegs such as caused by shocks and vibration associated with transporting of the kegs.