Today in 1904, US Patent 764657 A was issued, an invention of William Clasmann, assigned to Pabst Brewing Co., for his "Pasteurizing Apparatus." There's no Abstract, although in the description it includes this summary: This invention relates particularly to apparatus for pasteurizing or sterilizing bottled beer and other products, beverages, food, or perishable substances contained in sealed or closed receptacles-such as bottles, cans, jars, and the like.