US Patent Issued on April 29 for "Steerable and retractable paddle-wheel mechanism for propelling a boat" (Latvian Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,209, issued on April 29.

"Steerable and retractable paddle-wheel mechanism for propelling a boat" was invented by Aleksandr Avlasenko (Riga, Latvia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Invention relates to the paddle-wheel propelling mechanisms, especially to the steerable and retractable paddle-wheel mechanisms for propelling boats. The paddle-wheel propulsion and steering mechanism comprises a frame structure for securing the mechanism to the boat; a propulsion mechanism for propulsion of the boat; a paddle-wheel upward and downward moving mechanism for movement of the paddle-wheel relative to a waterline of the boat; and a steering mecha...