ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,414,872, issued on Sept. 16, was assigned to ARTRA DESIGN PTY LTD (Valley Heights, Australia).

"Device for supporting a lower limb" was invented by Robert Lyndon (Valley Heights, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for supporting a lower limb of a subject. The device has a housing for a lower limb and a limb support. The housing has a longitudinal axis aligned with a longitudinal axis of the lower limb. A driving mechanism connected between the housing and the limb support, causes movement of the limb support between a retracted position parallel to the longitudinal axis of the housing and an extended position in which the...