ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,559, issued on Nov. 25.
"Anti-colic baby bottle" was invented by Ying Hong (Wuxi, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses an anti-colic baby bottle, including a bottle body and a nipple mounted in the bottle body through a threaded fixing ring; the nipple is provided with a thickened portion; an anti-colic separation sheet is arranged between the bottle body and the nipple; an air inlet is formed in the thickened portion of the nipple; the anti-colic separation sheet is connected with an air guide pipe which correspondingly adapts to the air inlet and extends into the bottle body; the air guide pipe and ...