ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,208, issued on Oct. 6, was assigned to DOUBLEEAGLE INDUSTRY (CHINA) Ltd. (Hong Kong, Hong Kong).

"Building block for a construction toy set" was invented by Martynas Puotkalis (Vilnius, Lithuania).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a building block (2) for a construction toy set, comprising a base body (12) extending in a longitudinal direction (6), in a transverse direction (8) transverse to the longitudinal direction (6) and in a vertical direction (10) transverse to the longitudinal direction (6) and transverse to the transverse direction (8), which is penetrated in the vertical direction (10) by a passage openi...