Patents by Inventor Joseph E. Purcell

Joseph E. Purcell 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 head assembly
    Patent number: 6217459
    Abstract: A putter head assembly (2) includes a generally S-shaped hosel (4) having first and second ends (6, 8). A putter head (14) extends from the second end of the hosel. The hossel and putter head are made as a one-piece unit from a polymer material, typically a thermosetting resin. A golf ball-striking faceplate (16) is mounted to the putter head. These features combine to create a desirable feel to the golfer upon contact with the ball.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: April 17, 2001
    Assignee: Castlehawk, LLC
    Inventor: Joseph E. Purcell
  • Putter head
    Patent number: D436388
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: January 16, 2001
    Assignee: Castlehawk, LLC
    Inventor: Joseph E. Purcell
  • Putter head assembly
    Patent number: D430245
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: August 29, 2000
    Assignee: Castlehawk, LLC
    Inventor: Joseph E. Purcell
  • Putter head face
    Patent number: D430250
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: August 29, 2000
    Assignee: Castlehawk, LLC
    Inventor: Joseph E. Purcell
  • Putter head hosel
    Patent number: D431063
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: September 19, 2000
    Assignee: Castlehawk, LLC
    Inventor: Joseph E. Purcell