ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,311, issued on Sept. 1.
"Temperature-controlled bowl" was invented by Daryl Dunahoo (Pendergrass, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A temperature-controlled bowl for pets and others includes a housing assembly, a cooling system, and a control system. The housing assembly, which includes multiple chambers, supports a bowl insert in its first chamber, which can be cooled or heated through thermal coupling with a thermoelectric module of the cooling system. When energized, the thermoelectric module absorbs heat on its cooling side and radiates heat on its opposite side. The cooling system further includes a conductive block, a heat sin...