Patents by Inventor Jeffrey C. Helstrom

Jeffrey C. Helstrom 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: 6592464
    Abstract: A portable all-weather golf driving range which is designed to removably cover a conventional golf driving range or fairway with a netting includes a number of ball receiving bores formed therein to permit balls to be conveniently and automatically collected through motion induced by gravity from the configuration of the netting. When in position, the netting is configured in its elevation by the plurality of netting sections, preferably in reticulated form, with support posts elevating the netting at distinct desired locations, such that the ball receiving bores are disposed at relatively lower positions between the support posts.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: July 15, 2003
    Inventor: Jeffrey C. Helstrom
  • Patent number: 6325726
    Abstract: An all weather golf driving range which is designed to drape and or cover a conventional range with a netting having a number of ball receiving bores formed therein to permit balls to be conveniently and automatically collected through motion induced by gravity from the configuration of the netting. When in position, the netting is configured in its elevation by the plurality of conical members, preferably in reticulated form, with ground support posts holding the netting up to form apices, and with the ball receiving bores being formed at the lower juncture points along or at the mutually adjacent conical zones.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: December 4, 2001
    Inventor: Jeffrey C. Helstrom