ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,867, issued on Jan. 28, was assigned to SEA TRANSPORT DESIGN PTY LTD (Queensland, Australia).
"Maritime apparatus" was invented by Ross Ballantyne (Gold Coast, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grounding skeg for a landing craft configured for stem landing onto, and setting off from, a ground surface, the grounding skeg including: an elongate grounding body having a fore end and an aft end; and a removable pulling propeller functionally connected to the fore end of the body; wherein the pulling propeller is able to drive the landing craft ahead and astern; and the grounding body is locatable on the landing craft such that; t...