Patents Assigned to Outdoor Technologies Group
  • Patent number: 5234217
    Abstract: Golf clubs are disclosed that exhibit at least one marking indicia on the surface of the shaft and extending along at least one of the lateral sides of the shaft. The marking indicia is preferably a series of lines that are parallel to the edge of the shaft and separated by a distance sufficient to be revealed or hidden as the club face is opened or closed by small angular increments.The golf shafts in clubs according to the invention include:a shaft having a circular cross section and comprising (a) a tip end for attaching a club head to the shaft, (b) a butt end for attaching a grip to the shaft, and (c) at least one linearly oriented first alpha marking indicia positioned on the exterior of the shaft within an angle, .alpha., about 45.degree. to about 135.degree.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: August 10, 1993
    Assignee: Outdoor Technologies Group
    Inventor: Paul C. Johnson
  • Patent number: 5158297
    Abstract: Golf clubs are disclosed that exhibit at least one marking indicia on the surface of the shaft and extending along at least one of the lateral sides of the shaft. The marking indicia is preferably a series of lines that are parallel to the edge of the shaft and separated by a distance sufficient to be revealed or hidden as the club face is opened or closed by small angular increments.Golf shafts according to the invention include:a shaft having a circular cross section and comprising (a) a tip end for attaching a club head to the shaft, (b) a butt end for attaching a grip to the shaft, and (c) at least one linearly oriented first alpha marking indicia positioned on the exterior of the shaft within an angle, .alpha., about 45.degree. to about 135.degree. from a clockwise position relative to top dead center of the shaft and extending up the shaft away from the tip end for a distance sufficient to allow a golfer to view the marking indicia and discern an angular position of the club face of up to about 15.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: October 27, 1992
    Assignee: Outdoor Technologies Group
    Inventor: Paul C. Johnson