ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,959, issued on Dec. 30, was assigned to Bambino Prezioso Switzerland AG (Steinhausen, Switzerland).

"Child safety seat" was invented by Hongbo Chen (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A child safety seat, comprising a seat body, a connecting member and a sealing mechanism; the seat body is provided with a mounting opening for insertion of a fitting, the connecting member is provided in the mounting opening and is fixedly connected to the seat body; the sealing mechanism comprises a sealing member, the sealing member is slidably provided in the mounting opening and is used for sealing the mounting opening, the sealing mem...