Patents Assigned to Granberg Industries
  • Log sawing attachment for a chain saw
    Patent number: 4070757
    Abstract: A log sawing attachment for a chain saw which includes a moveable guide frame which can be clamped to the cutter bar of the chain saw and can be variably spaced therefrom. The frame guides the chain saw to make pre-selected depth of cut along the log being sawed to form a uniform thickness board.
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: January 31, 1978
    Assignee: Granberg Industries
    Inventors: Elof Granberg, Emil Adolph Olsen