Patents Represented by Attorney Margaret C. Baker

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  • Multilayer core golf ball having hardness gradient within and between each core layer
    Patent number: 8298098
    Abstract: The present invention is directed to an improved multi-layered core golf ball wherein each core layer comprises its own specific hardness gradient (positive, negative or a combination) in addition to an overall specific hardness gradient from one core layer to the next.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: October 30, 2012
    Assignee: Acushnet Company
    Inventors: Michael J. Sullivan, Brian Comeau, Douglas S. Goguen, David A. Bulpett
  • Foam-core golf balls
    Patent number: 7708654
    Abstract: A golf ball with a controlled moment of inertia and controlled spin rate is disclosed. The ball has an intermediate layer positioned between the core and the cover and the intermediate layer has a reduced specific gravity. Preferably, this reduction is less than about 30% in specific gravity and the reduction in the coefficient of restitution is less than about 2%.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: May 4, 2010
    Assignee: Acushnet Company
    Inventors: Michael J. Sullivan, Derek A. Ladd, Edmund A. Hebert