ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,681, issued on May 13, was assigned to Anthony Innovations Pty Ltd. (Thomastown, Australia).

"Roller assembly" was invented by Oscar Humphrey Richard Hooke (Thomastown, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a roller assembly for a sliding panel, the roller assembly including at least one roller sub-assembly having at least one roller wheel, the roller sub-assembly comprising at least one pivotal arm and a roller wheel rotatably mounted to the arm, wherein one end of the arm is configured for pivotally attachment to the support to permit the arm and roller wheel to pivot relative to the support in a vertical pla...