A golf ball having three orthogonal equators and having a dimple pattern composed of six spherical octagons disposed about the intersections of the equators, and eight spherical nonagons making up the rest of the surface of the golf ball....http://www.google.fr/patents/US5441276?utm_source=gb-gplus-shareBrevet US5441276 - Dimple pattern and the placement structure on the spherical surface of the golf ball
Dimple pattern and the placement structure on the spherical surface of the ...
