Patents by Inventor David B. McGrath

David B. McGrath 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).

  • Putter-type golf club head with an insert
    Patent number: 6893358
    Abstract: A method for manufacturing a golf club head with a thermoplastic polyurethane insert is disclosed herein. The thermoplastic polyurethane insert is disposed in a recess of the club head in which the recess has a depth that is greater than the thickness of the insert. The thermoplastic polyurethane insert has a plurality of tabs on its perimeter to engage the recess walls to allow the insert to essentially float within the recess. An adhesive is disposed between the rear wall of the recess and an interior surface of the insert. Further, an adhesive is applied between the plurality of tabs, and preferably over the exterior surface of each of the plurality of tabs.
    Type: Grant
    Filed: July 10, 2003
    Date of Patent: May 17, 2005
    Assignee: Callaway Golf Company
    Inventors: Pijush K. Dewanjee, Herbert Reyes, Bart R. Fliers, David B. McGrath, Ronald K. Hettinger, Wayne H. Byrne, John G. Guard, Augustin W. Rollinson
  • [A PUTTER-TYPE GOLF CLUB HEAD WITH AN INSERT (Corporate Docket Number PU2162)]
    Publication number: 20040106465
    Abstract: A method for manufacturing a golf club head with a thermoplastic polyurethane insert is disclosed herein. The thermoplastic polyurethane insert is disposed in a recess of the club head in which the recess has a depth that is greater than the thickness of the insert. The thermoplastic polyurethane insert has a plurality of tabs on its perimeter to engage the recess walls to allow the insert to essentially float within the recess. An adhesive is disposed between the rear wall of the recess and an interior surface of the insert. Further, an adhesive is applied between the plurality of tabs, and preferably over the exterior surface of each of the plurality of tabs.
    Type: Application
    Filed: July 10, 2003
    Publication date: June 3, 2004
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: Pijush K. Dewanjee, Herbert Reyes, Bart R. Fliers, David B. McGrath, Ronald K. Hettinger, Wayne H. Byrne, John G. Guard, Augustin W. Rollinson