Today in 2013, US Patent 20130216339 A1 was issued, an invention of William P. Apps, Sean T. Ogburn, Ryan C. Meers, Paul Thomas Walton, Jr., Ian C. McDermott, Ronald Samuel Ward, and Steven Alan Kitchin, assigned to the Rehrig Pacific Company, for their “Keg Delivery System.” Here’s the Abstract, but I’ve only included 3 of the 46 drawings filed with the application:

A keg delivery system includes a rack having a plurality of bays for receiving kegs horizontally. The keg delivery system also includes means for controllably lowering a keg from one of the bays to a floor.