ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,057, issued on Oct. 27, was assigned to Nautica Technologies Ltd. (Nassau, Bahamas).

"Stern plug to be inserted into a stern portion of an inflatable bottom of a water jet boat" was invented by Valerii Samokhin (Zielona Gora, Poland), Oleg Baianov (Zielona Gora, Poland), Stanislav Zykov (Zielona Gora, Poland) and Stanislav Gukin (Novosibirsk, Russia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a small-sized shipbuilding. In particular, to a stern plug to be inserted into a stern portion of an inflatable bottom of a water jet boat, the plug is made such that it follows a shape of a front portion of the bottom of the boat, b...