ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,209, issued on May 19, was assigned to Wonderland Switzerland AG (Steinhausen, Switzerland).
"Seat and baby carriage" was invented by Zhiren Zhong (Steinhausen, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A seat includes a support base, an unlock member and a lock member. The support base has at least one through hole. The unlock member is movably disposed on the support base and has at least one first driving portion. The lock member is movably disposed on the unlock member. The lock member has at least one lock portion protruding from a surface of the support base through the at least one through hole and at least one second driving ...