ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,511, issued on April 15, was assigned to Brunswick Corp. (Mettawa, Ill.).
"Marine drive having vented lower unit" was invented by David J. Waldvogel (Fond du Lac, Wis.), Kass W. Sawyer (Neenah, Wis.), Laura K. Mueller (Fond du Lac, Wis.), Douglas A. Hull (Campbellsport, Wis.) and Aaron J. Novak (North Fond du Lac, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A marine drive is for propelling a marine vessel in a body of water. The marine drive comprises a motor housing defining a motor cavity; a motor disposed in the motor cavity; a propulsor shaft extending from the motor housing, wherein the motor is configured to cause rotation of the propul...