Patents Assigned to Golfology, Inc.
  • Patent number: 5632691
    Abstract: A golf putter with a shaft having an inner chamber, a butt-end, and a tip, a grip attached to the butt-end of the shaft, a weight in the shaft having a predetermined center point along the shaft, with that center point positioned along the shaft between 20 and 71.4 length % from the butt-end relative to an overall length of the golf putter, and a putter head connected to the tip of the shaft, with the putter head bearing a weight ratio to the shaft weight ranging between 0.56:1 and 3.20:1 and a shaft weight ratio to an overall weight of the golf putter ranging between 0.30:1 and 0.55:1, which after all elements are connected and attached presents a specific balance point for the golf putter ranging between 45.71 and 69.29 length % from the butt-end relative to the overall length of the golf putter and a swingweight between D-6 and negative E-9.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: May 27, 1997
    Assignee: Golfology, Inc.
    Inventors: Richard H. Hannon, Carl T. Wagner
  • Patent number: 5575724
    Abstract: An improved golf club having pre-structured alignments between shaft, grip, and head. This structure encompasses a plurality of sides between shaft, grip, and head. One such side is an impact-alignment surface and is on a single plane between shaft, grip, and head. Another side is a target-alignment surface which is on another single plane between shaft, grip, and head. The impact-alignment surface is perpendicular to a striking face of the golf club and to the target-alignment surface. The golf club also has a mounting structure for mounting grip and head to shaft which accurately registers the respective aforesaid alignment surfaces. The mounting structure comprises mating sides between shaft, grip, and head; or cooperating depressions and projections on shaft, grip, and head.
    Type: Grant
    Filed: July 19, 1995
    Date of Patent: November 19, 1996
    Assignee: Golfology, Inc.
    Inventors: Richard H. Hannon, Carl T. Wagner