Patents by Inventor Goran Ahlgren

Goran Ahlgren 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).

  • Device for dividing ice-hockey rinks
    Patent number: 4497483
    Abstract: A device for dividing an ice-hockey rink into at least two smaller rink parts comprises a plurality of straight sideboard elements (8a) and a plurality of curved sideboard elements (8b). The sideboard elements (8a, 8b) are provided with means (16, 20, 21) for interconnecting the same while forming a supplemental sideboard (8, 9) which when placed across the ice-hockey rink together with the stationary sideboard (1), encloses a smaller rink (5, 7) having symmetrical curved corners.
    Type: Grant
    Filed: June 20, 1983
    Date of Patent: February 5, 1985
    Inventor: Goran Ahlgren