ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,014, issued on Sept. 22, was assigned to SeeScan Inc. (San Diego).

"Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems" was invented by Mark S. Olsson (La Jolla, Calif.), Eric M. Chapman (Lake Tapps, Wash.) and James F. Kleyn (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Push-cables and associated apparatus for pipe inspection systems are disclosed. In one embodiment a pipe inspection system includes a camera head, a push-cable including an outer covering enclosing a plurality of electrical conductors for transmitting signals and/or power between the camera head and an electronic device oper...