The present invention is directed to restricted or limited flight golf balls. Specifically, new elastomeric blends are provided for forming the cores of one piece or multi-layered balls having the desired reduced coefficient of restitution (C.O.R.) values necessary for restrictive flight performance...http://www.google.com.au/patents/US5209485?utm_source=gb-gplus-sharePatent US5209485 - Restricted flight golf ball
