Patents Assigned to The Spin Doctor, Ltd.
  • Golf club head with removable insert
    Patent number: 6224496
    Abstract: A golf club for imparting a desired spin to a golf ball. The golf club includes a club head having a cavity formed in its club face for securing a removable insert. The insert includes a striking face with a preferred frictional surface for imparting spin to a golf ball.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: May 1, 2001
    Assignee: The Spin Doctor, Ltd.
    Inventors: Michael L. Rowland, David L. Ballard
  • Removable adhesive backed pads for golf club striking surfaces
    Patent number: 5690561
    Abstract: A two-sided removable pad for use on a golf club having a substantially planar club face surface for striking a golf ball. A ball contact surface having a plurality of ridges effects the rotation of a struck golf ball. An adhesive on a second side of the pad for application to the club face. The pad is easily removably adhered to the club face surface.
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: November 25, 1997
    Assignee: The Spin Doctor, Ltd.
    Inventors: Michael L. Rowland, David L. Ballard
  • Removable adhesive backed pads for golf club striking surfaces
    Patent number: 5688190
    Abstract: A device for use on a golf club having a substantially planer club face surface for striking a golf ball. The device is a two-sided removable pad having a ball contact surface on a first side which includes a plurality of ribs to impart back spin to a struck golf ball. Each rib has a multitude of peaks and valleys, each said valley connecting to an adjacent peak by an inclined surface and to another adjacent peak by a horizontal surface. The pad has an adhesive coating on a second side for temporary application to the golf club surface.
    Type: Grant
    Filed: February 7, 1996
    Date of Patent: November 18, 1997
    Assignee: The Spin Doctor, Ltd.
    Inventors: Michael L. Rowland, David L. Ballard