ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,385, issued on Nov. 3, was assigned to Brunswick Corp. (Mettawa, Ill.).
"Marine drives having a muffler for exhaust outlet" was invented by Donald Anderson Jr. (Oshkosh, Wis.), Andrew S. Waisanen (Fond du Lac, Wis.), Jeffrey C. Etapa (Oakfield, Wis.) and Steven R. Johns (Oshkosh, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A marine drive has an exhaust outlet on its lower gearcase that discharges a flow of exhaust gas from the engine to seawater in which the marine drive is situated. An exhaust outlet is located on the marine drive above the exhaust outlet and discharges a flow of exhaust gas from the engine to atmosphere around the marine dr...