The present invention includes: a substantially spherical, impact deformable, shape retaining, textured game ball, comprising: a) pliable leather or leather-like textured ball cover, the cover comprising identical, connected cover members having a discreet symmetrical S-shape; b) a collapsible, regularly...http://www.google.es/patents/US6287226?utm_source=gb-gplus-sharePatente US6287226 - Game ball and goal
