ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,609, issued on May 20, was assigned to Brunswick Corp. (Mettawa, Ill.).

"Stern drives and transom bracket assemblies for stern drives providing vibration isolation" was invented by John A. Groeschel (Theresa, Wis.) and Chetan Avinash Dharmadhikari (Brookfield, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stern drive for a marine vessel having a transom. The stern drive has a drive assembly comprising a drive unit configured to generate a thrust force in water and a powerhead configured to power the drive unit, and a transom bracket assembly configured to support the drive unit outside of the transom and further configured to support the pow...