ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,275, issued on Jan. 13.
"Hand warming device" was invented by Patrick Alan Brooke (Mandan, N.D.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hand warming device for warming a hand of a user gripping the device may comprise a housing having an exterior surface, a heating element to heating the exterior surface, a power source, and a power switch. The exterior surface may be contoured to facilitate contact between the exterior surface and the hand of the user when the housing is held by a clenched fist of the user. The housing may be elongated along a first axis between opposite first and second ends. The exterior surface of the housing has a shap...