Patents Assigned to The Northland Group, Inc.
  • Ice hockey stick
    Patent number: 4180413
    Abstract: An ice hockey stick having an elongated handle attached to a blade. The handle has a solid lightweight and flexible wood body reinforced with plastic sheet members provided with longitudinally oriented glass fibers. The blade has a rocker shaped bottom with a heel carrying an epoxy wear strip. The blade is reinforced with glass fiber fabric impregnated with a resin plastic.
    Type: Grant
    Filed: June 12, 1978
    Date of Patent: December 25, 1979
    Assignee: The Northland Group, Inc.
    Inventor: David A. Diederich
  • Ice hockey stick blade structure
    Patent number: 4172594
    Abstract: An ice hockey stick having an elongated handle attached to a blade. The handle has a solid lightweight and flexible wood body reinforced with plastic sheet members provided with longitudinally oriented glass fibers. The blade has a rocker shaped bottom with a heel carrying an epoxy wear strip. The blade is reinforced with glass fiber fabric impregnated with a resin plastic.
    Type: Grant
    Filed: June 12, 1978
    Date of Patent: October 30, 1979
    Assignee: The Northland Group, Inc.
    Inventor: David A. Diederich
  • Ice hockey stick
    Patent number: 4134587
    Abstract: An ice hockey stick having an elongated handle attached to a blade. The handle has a solid lightweight and flexible wood body reinforced with plastic sheet members provided with longitudinally oriented glass fibers. The blade has a rocker shaped bottom with a heel carrying an epoxy wear strip. The blade is reinforced with glass fiber fabric impregnated with a resin plastic.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: January 16, 1979
    Assignee: The Northland Group, Inc.
    Inventor: David A. Diederich
  • Hockey stick
    Patent number: D244220
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: May 3, 1977
    Assignee: The Northland Group, Inc.
    Inventor: Robert J. De brey