Patents Assigned to Premier Golf, Inc.
  • Patent number: 5785610
    Abstract: A new clubhead having a plurality of grooves extending between defined boundaries on the face surface of the clubhead has been developed. In one embodiment, two groups of grooves are arranged to only intersect at a vertical boundary that intersects the center of the sweet spot on the face surface to form a chevron pattern within the define boundaries. In an alternate embodiment, the two groups of grooves traverse fully across the defined grooved area of the face surface to intersect to form a plurality of parallelogram-shaped areas within the grooved area.
    Type: Grant
    Filed: November 21, 1995
    Date of Patent: July 28, 1998
    Assignee: Premier Golf, Inc.
    Inventor: John Birmingham