ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,557, issued on Nov. 4, was assigned to Thought Forward Design Inc. (New York).

"Mobility devices" was invented by Henry R. Kaufman (New York), Barry Wolfenson (Philadelphia), Paolo Trevisan (Key Biscayne, Fla.), Stefano Luppi (Mt Vernon, N.Y.), Artur Tchoukanov (Miami), Thomas Le (Miami) and Francisco Barboza (Miami).

According to the abstract* released by the U.S. Patent & Trademark Office: "Walkers to assist movement of a person through spaces of varying dimensions are provided. Users may easily adjust the width of the devices to enable them to travel through narrow passageways such as aisles in airplanes. Users may also easily store these devices in small spaces through mechani...