ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,959, issued on July 21, was assigned to INTEVA PRODUCTS LLC (Troy, Mich.).
"Sewing head" was invented by Edward J. Wenzel (Troy, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composite sewn part for use in a subsequent curing process, including: a first composite laminate; at least one stringer secured to the first composite laminate by stitches, the at least one stringer including a first stringer portion comprising a composite laminate and a second stringer portion comprising a composite laminate, which are sewn together to provide the at least one stringer, the first stringer portion having a flange portion that is sewn to the first comp...