Patents Assigned to Progolf Development AS
  • Patent number: 6267691
    Abstract: A golf club head with impact control and improved flexing having an inner end adapted to be fastened to a shaft, an outer end, a front face and a back face. The front face and the back face are defined on opposite sides of a wall which is disposed between the inner and outer ends. The front face is an impact face adapted to hit a golf ball. A cavity is formed by a perimeter frame surrounding the back face. A plurality of mutually parallel ribs on the back face extend along the wall between an inner end portion and an outer end portion of the frame. The ribs extend mainly parallel to a top of the club head.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: July 31, 2001
    Assignee: Progolf Development AS
    Inventor: Per Dammen