ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,324, issued on July 28.
"Energy-generating workout mat" was invented by Wayne Hazel (Philadelphia).
According to the abstract* released by the U.S. Patent & Trademark Office: "An energy-generating workout mat includes a top layer and a bottom layer attached to the top layer. The top layer is made of flexible material. The top layer and the bottom layer are attached at respective perimeter portions such that the top layer and the bottom layer enclose an interior space. A plurality of microgenerators is positioned in the interior space between the top layer and the bottom layer. Each of the microgenerators is designed to be activated by a pressing force of a person exercising on th...