The patents below have been approved by the US Patent and Trademark Office for the owner(s) of GameJillion, Inc and in regards to the game, ChessXpanse.
US Patent 9,905,076
US Patent 10,269,210
The patents below have been approved by the US Patent and Trademark Office for the owner(s) of GameJillion, Inc and in regards to the game, ChessXpanse.
US Patent 9,905,076
US Patent 10,269,210