ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,121, issued on Nov. 4, was assigned to Industrial Technology Research Institute (Hsinchu, Taiwan).
"Shock indicator" was invented by Yu-Jan Lo (Taoyuan, Taiwan), Shih-Jia Shen (Taichung, Taiwan) and Sheng-Jui Chen (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shock indicator, including a first cover, a base, a counterweight, and a shrapnel, is provided. The first cover has an accommodating space. The base is disposed in the accommodating space of the first cover. The counterweight is located in the accommodating space. The counterweight has a pivot end pivotally disposed on the base, and the counterweight rotates relative to the b...