US Patent 8382148 Skateboard deck

A high-strength skateboard deck includes an elongated body having opposite ends, opposite sides, an upper side and a lower side, the lower side including a plurality of embossments therein that form corresponding bumps extending upwardly from the upper side, improving gripability of the upper side of the skateboard deck, improving the strength in the skateboard deck, reducing fatigue in the skateboard deck, and reducing the coefficient of friction of the lower side of the skateboard deck.