ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,514, issued on Aug. 12, was assigned to Heico Befestigungstechnik GmbH (Ense-Niederense, Germany).

"Wedge lock washer pair and tensioning arrangement with such wedge lock washer pair" was invented by Frank Lutter (Welver-Stocklarn, Germany) and Stefan Vornweg (Werl, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pair of wedge lock washers with a first wedge lock washer and with a second wedge lock washer. The two washers each have a fastener opening arranged in alignment with one another, a wedge surface structure which engages with one another on their mutually facing surfaces, and clamping structures on their surfaces facing away from on...