ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,107, issued on June 23, was assigned to VICTAULIC COMPANY (Easton, Pa.).

"Flexible joint assembly" was invented by Damian Daigle (Whitehall, Pa.) and Christopher Albright (Allentown, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flexible joint is used to accommodate dynamic movement such as settlement, seismic and thermal movements. A portion of an outer surface of a ring is surrounded by a sleeve. A coupling attaches the sleeve to the ring. The sleeve is slidably movable on a section of the portion of the outer surface of the ring. The portion of the outer surface comprises first and second grooves, a partial spherical segment, a first frust...