Today in 1966, US Patent 3261635 A was issued, an invention of Michael F. Talay, for his “Beer Can Handle.” There’s no Abstract, although in the description it includes this summary:
This invention relates to an attachable and detachable handle for use with a conventional beer can.
The object of this invention is to provide a handle that is simple of construction and easy to manipulate for attachment and detachment to a beer can to facilitate the consumers holding and movement of the beer can in drinking the contents.