Today in 1964, US Patent 3152717 A was issued, an invention of Joseph Schwaiger, assigned to Anheuser Busch, for his “Carbonated Beverage Can.” There’s no Abstract, although in the description it includes this summary:

This invention relates to a novel container or can for carbonated beverages, particularly beer, and also to a method for controlling the corrosion which normally occurs within such a container when filled with a carbonated beverage or other food product.