ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,100, issued on July 29, was assigned to Ki Mobility LLC (Stevens Point, Wis.).

"Wheelchair frame folding mechanism" was invented by Murray G. Slagerman (MB, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system of non-parallel folding planar cross-braces are adapted to naturally fold away from one another to provide a naturally rigid structure that requires little or no latching to provide a stable frame. An interlocking system that engages opposing pivot points of the cross-braces can be arranged to create a very rigidly connected frame. A variation of the system may allow for both a sling seat and an open frame for attached seating to uti...