Patents by Inventor Michael J. Tzivanis, III

Michael J. Tzivanis, III has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Golf ball
    Patent number: 7134974
    Abstract: A golf ball comprising a core and a cover layer, wherein the cover layer provides one or more deep dimples having two or more different radii is disclosed. The deep dimples(s) extend(s) through the cover layer to and/or into a layer or component underneath. The cover may be a single layer or it may include multiple layers. The deep dual dimples may be spherical or non-spherical, and the portion of the dimple that extends to or into the next inner layer may be the same or different shape as the outer portion of the dimple.
    Type: Grant
    Filed: March 17, 2005
    Date of Patent: November 14, 2006
    Assignee: Callaway Golf Company
    Inventors: Kevin J. Shannon, Thomas A. Veilleux, Vincent J. Simonds, Thomas J. Kennedy, III, David M. Melanson, III, Michael J. Tzivanis, III