ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,998, issued on Dec. 16, was assigned to WONDERLAND SWITZERLAND AG (Steinhausen, Switzerland).

"Buckle" was invented by Zheng-Wen Guo (Guangdong, China) and Manqun Cheng (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A buckle (100) includes a male buckle (110), a female buckle (120), and an actuating structure (130) disposed between the male buckle (110) and the female buckle (120). When the male buckle (110) and the female buckle (120) are engaged, the actuating structure (130) generates an actuating signal. When the male buckle (110) and the female buckle (120) are disengaged, the actuating structure (130) generates a disconnectin...