ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,531, issued on July 8, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Impact indicator for a fall-protection apparatus, and method of using" was invented by Michael A. Boraas (Zumbrota, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An impact indicator for a fall-protection apparatus. The indicator includes a deflectable element that is deflectable to allow movement of a movable component of the impact indicator from a first, non-indicating position to a second, indicating position. Also disclosed are kits, methods and systems that use impact indicators and that facilitate installation of a replacement impact indicator in the ...