ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,196, issued on March 25.
"Wheelchair for improved muscular skeletal system alignment" was invented by Linda Smith Swerdlow (Los Angeles) and Henning Zieger (Los Angeles).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wheelchair configured to impart motion on one or more lower extremities of a user to inhibit inelasticity in joints of one or more lower extremities as a result of extended immobility, and to promote a more natural alignment of one or more upper extremities of the user during manipulation of the wheelchair. The wheelchair includes a seat and a backrest, at least two ground-engaging wheels, a hand mechanism assembly including a hand gr...