ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,027, issued on July 1, was assigned to United Services Automobile Association (USAA) (San Antonio).

"Thermally activated warmer" was invented by Michael J. Maciolek (Kerrville, Texas), Manfred Amann (San Antonio), Donnette L. Moncrief Brown (San Antonio), Timothy Frank Davison (San Antonio), Snehal Desai (Richardson, Texas), Nicole Ferretti (Plano, Texas), Rachel Michelle Ballew (San Antonio), Kelsey Anne O'Brien (Austin, Texas), Sayeef Rahim (Frisco, Texas), Eric David Schroeder (San Antonio), Steven J. Schroeder (Oak Point, Texas), Joseph Michael Vesco (Sparks, Nev.), Justin Dax Haslam (San Antonio) and Melissa Jane Porter (San Antonio).

According to the abstract* released by th...