ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,746, issued on Nov. 18.
"Adjustable door latch" was invented by Tao Zhang (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable door latch is provided, which includes a base part, one side of the base part is provided with a clamping part. A ventilation groove is provided in a middle of the base part, a positioning hole is provided on the ventilation groove. A rebound pin is provided on the base part, a movable lock tongue is provided in the ventilation groove. The movable lock tongue is provided with spaced adjustment holes, and a bottom end of the rebound pin penetrates the positioning hole and is plugged into the adjustme...