ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,923, issued on Oct. 7.
"Beverage can cooler" was invented by William James Fienup (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with the principals of the present invention, a cold tube is adapted to securely surround the beverage can, the cold tube utilizing high heat capacity/thermal mass to wick heat from the beverage in the beverage can. Contained within the cold tube, a plurality of fins are provided thus acting as a heatsink. The presence of the fins act as a heatsink by increasing convective, conductive, and radiative heat dissipation if used in the absence of the cold tube and conductive heat dissipation if used with t...