ALEXANDRIA, Va., May 26 -- United States Patent no. 12,635,801, issued on May 26, was assigned to Balanced Body Inc. (Sacramento, Calif.).

"Chair exercise apparatus" was invented by Ken Endelman (Sacramento, Calif.), Yunhui Liu (Sacramento, Calif.) and Harbir Singh (Roseville, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Pilates chair exercise apparatus has a frame configured to rest on a horizontal surface, an inverted Y shaped seat support member fastened to an upper portion of the frame, a seat fastened to an upper end of the seat support, and a pair of parallel arms each having a proximal end fastened to the frame and a foot support fastened to a distal end of each of the arms, wherein each ar...