Patents by Inventor John Granstrom

John Granstrom 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).

  • Play/athletic training appliance
    Publication number: 20060091685
    Abstract: The present invention relates to a play/athletic training appliance, which is characterized in that it comprises at least one closed body with a central pivot shaft which is essentially horizontal or is inclined less than 45° to the horizontal plane, The closed body is arranged to pivot freely on the central pivot shaft. The closed body holds a ballast damping the pivoting motion.
    Type: Application
    Filed: September 20, 2005
    Publication date: May 4, 2006
    Inventors: Sven-Ake Sjostam, John Granstrom
  • Play/athletic training appliance
    Publication number: 20060084317
    Abstract: The present invention relates to a play/athletic training appliance, which is characterized in that it comprises at least one open spiral or the like, in a plane with two separate parallel, ends and an intermediate gripping part. The parallel ends are turnably fastened to a fixed base.
    Type: Application
    Filed: September 20, 2005
    Publication date: April 20, 2006
    Inventors: Sven-Ake Sjostam, John Granstrom
  • Play/athletic training appliance
    Publication number: 20060063646
    Abstract: The present invention relates to a play/athletic training appliance, which is characterized in that it comprises at least two essentially parallel horizontal rods and a board for standing. The board is turnably arranged with at least two wholly or partly enclosing means, one for each rod. The board is further movably arranged relative to the rods by the wholly or partly enclosing means.
    Type: Application
    Filed: September 20, 2005
    Publication date: March 23, 2006
    Inventors: Sven-Ake Sjostam, John Granstrom