ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,343, issued on Dec. 30, was assigned to Lear Corp. (Southfield, Mich.).

"Automated trench manufacturing and assembly for attaching trim covers to a cushion assembly" was invented by Curtis Hudson (Macomb, Mich.), Lisa Swikoski (West Bloomfield, Mich.), Michelle A. Pereny (Farmington Hills, Mich.) and Jaiviknesh Kandasamy (Southfield, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Cushions, methods, and manufacturing systems for making the same are disclosed. The cushions may be foamless such as being made from a body of entangled and/or intertwined polymeric strands. The manufacturing systems may include a die such as die bars having a plurali...