Patents Assigned to Preston Sports Product Corporation
  • Patent number: 5255911
    Abstract: The invention relates to a tethered ball pitching device wherein a planar base member is provided with a plurality of ground penetrating planar teeth members and a central aperture, a vertically extending support member having a pointed end extending through the aperture for penetration into the ground, a davit shaped member having a vertical extending support member and a horizontal portion having an aperture through its outer end, a ring extending through the aperture, and an elastic cord having one of its ends attached to the ring, the other end of the elastic cord is attached to a ball.
    Type: Grant
    Filed: October 2, 1991
    Date of Patent: October 26, 1993
    Assignee: Preston Sports Product Corporation
    Inventors: George D. Preston, Timothy E. Kearney, Thomas A. Phelan, John W. Tulac
  • Patent number: 5056781
    Abstract: The invention relates to tethered ball pitching device wherein a planar base member is provided with a plurality of ground penetrating planar teeth members and a central aperture. A vertically extending support member having a pointed end extending through the aperture and penetrating the ground. A davit shaped member having a vertical seating extending into the vertical support member and a horizontal portion having an aperture through its outer end. A ring extends through the aperture and an elastic cord has one of its ends attached to the ring. The other end of the elastic cord is attached to a ball.
    Type: Grant
    Filed: November 14, 1990
    Date of Patent: October 15, 1991
    Assignee: Preston Sports Product Corporation
    Inventors: George D. Preston, Timothy E. Kearney, Thomas A. Phelan, John W. Tulac