ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,338, issued on April 8.
"Cocktail shaker" was invented by William J. Mayer (Key West, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cocktail shaker includes a top shaker cup and a bottom shaker cup. The top shaker cup is shaped and sized such that an upper end of the top shaker cup can be inserted into an upper end of the bottom shaker cup. The bottom shaker cup is pliable to establish a seal between the top shaker cup and the bottom shaker cup when the top shaker cup is inserted into the bottom shaker cup. Additionally, the bottom shaker cup may include a built-in strainer. The top shaker cup includes a plurality of collapsible sections, ea...