ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,284, issued on Sept. 1, was assigned to PERAZAH INC. (Ansan-si, South Korea).

"Multiple helix flexible mechanism" was invented by Jong Tae Seo (Gwangju-si, South Korea) and Hwan Taek Ryu (Ansan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention comprises a plurality of flexible tubes, wherein each of the plurality of flexible tubes includes at least two steering wires linearly arranged therein in the longitudinal direction thereof so as to transfer an operating force applied to one longitudinal end thereof to an end effector connected to the other longitudinal end thereof, and the number of the provided flexible tub...