Patents by Inventor N. Hakan Kronogard

N. Hakan Kronogard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4613133
    Abstract: Driving device for golf practice, comprising a platform (43) having a suitable upper surface for the golf stroke, the platform (43) being adjustable to incline in any direction to simulate play in upward slope, downward slope or the like, characterized by a centrally positioned downwardly directed pillar (61) arranged below the platform (43), said pillar being vertically displaceable and rotatably arranged in a tube (57) which is fixed part of a plate (55) intended to rest on the ground or other support, by support means (53) imparting stability to the platform (43) when in a lowered position, and by a lifting device (83, 85, 91, 93, 95), by means of which the platform (43) can be raised to an upper position and rotated thereat to the desired orientation and then again lowered to stable lowered position.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: September 23, 1986
    Assignee: M.A. Golf Training International AB
    Inventors: Roberto B. O. Selberg, N. Hakan Kronogard, John Cockin