ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,809, issued on April 29, was assigned to ENTACON PTY LTD (Queensland, Australia).

"Relocatable tank" was invented by Shaun Edward Barry (Queensland, Australia) and Kieron Michael Jeffries (Queensland, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A relocatable tank, and method of constructing same, have a plurality of precast wall panels retained by a cable tensioning system between a plurality of support members to form a continuous, preferably generally circular, wall. At least some of the support members comprise at least one aperture and at least one elongate slot to receive respective cables of the tensioning system to retain a shape ...