ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,453, issued on May 20, was assigned to EKSO BIONICS HOLDINGS INC. (San Rafael, Calif.).

"Legged mobility exoskeleton device with enhanced adjustment mechanisms" was invented by Steven Jefferson-Shawn Etheridge (Tallmadge, Ohio), Mike Clausen (Turlock, Calif.) and Ryan Farris (Solon, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A leg component includes a central carrier, and first and second housings that are located on opposite sides of the central carrier. An adjustment mechanism including a drive shaft that drives driven shafts, such as by a worm/worm gear interaction, implements movement of the first housing to relative to the second housi...