ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,399, issued on Sept. 30, was assigned to FS GIIKER TECHNOLOGY Co. LTD. (Foshan, China).
"Klotski chess" was invented by Ziming Su (Foshan, China), Changping Li (Foshan, China) and Jinpeng Chen (Foshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a klotski game including a plurality of game pieces, a game board and a prompter. The plurality of game pieces includes a decisive game piece. The game board is configured to accommodate the plurality of game pieces and the game board is provided with an exit. The prompter is configured to indicate that a game of the klotski game is over when the decisive game pie...