Patents by Inventor David F. Mills

David F. Mills 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 putter head
    Patent number: D474253
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: May 6, 2003
    Assignee: Mizuno Corporation
    Inventor: David F. Mills
  • Golf putter head
    Patent number: D474520
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: May 13, 2003
    Assignee: Mizuno Corporation
    Inventor: David F. Mills
  • Putter head
    Patent number: D600294
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: September 15, 2009
    Assignee: T. P. Mills Company, Inc.
    Inventor: David F. Mills
  • Putter head
    Patent number: D609762
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: February 9, 2010
    Assignee: T. P. Mills Company, Inc.
    Inventor: David F. Mills
  • Putter head
    Patent number: D623712
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: September 14, 2010
    Assignee: T. P. Mills Company, Inc.
    Inventor: David F. Mills