ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,019, issued on May 13.
"Bottle cap with independent stock bin" was invented by Wei Liu (Daxinganling, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bottle cap with an independent stock bin includes a mouth connecting cap and a pressing cap, where an upper end of the mouth connecting cap is fixedly connected to a connecting cylinder cooperated with the pressing cap; a blister stock bin is provided in the connecting cylinder, a content is provided in the blister stock bin; an open end of the blister stock bin is fixedly connected to a limiting retainer ring; the limiting retainer ring is fixedly connected to a sealing aluminum foil; and an in...