Today in 1966, US Patent 3286385 A was issued, an invention of Charles G. Tate Jr., for his Electric “Beer Tap Handle.” There’s no Abstract, although in the description it includes these claims:

The principal object of the present invention is to provide a beer tarp handle with an electrically operated display device.

Another object of the present invention is to provide a beer tap handle with a movable display device that is electrically driven.

A further object of the present invention is to provide an electrically powered beer tap handle that can readily be converted from a rotating to an oscillating display device or to a stationery light.

Another object of the present invention is to provide a beer tap handle that is simple in construction and easy and economical to manufacture and assemble.