Puma North America is still growling over Reebok International's plan to buy most of the assets of bankrupt sports clothing maker LogoAthletic, despite an agreement late yesterday that resolved some points of contention. Canton-based Reebok would pay $13.8m for substantially all of the assets of Indianapolis-based LogoAthletic, including inventory, production equipment, furniture, trademarks, patents, trade secrets and more, bankruptcy court documents state.