Patents Assigned to Logan Western Road, Inc.
  • Drag-type road grader
    Patent number: 4700786
    Abstract: A drag-type road grader including a skewable frame and a plurality of blade assemblies extending transversely across the frame. A tongue assembly is mounted on the frame and includes hydraulic cylinders for skewing the frame to alternative parallelogram-shaped configurations whereby the blade assemblies are angled with respect to the direction of travel. Retractible wheel assemblies are provided for transporting the grader in a non-working mode.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: October 20, 1987
    Assignee: Logan Western Road, Inc.
    Inventor: Vernon D. Berry
  • Road grader
    Patent number: 4568219
    Abstract: A drag-type road grader including a skewable frame and a plurality of blade assemblies extending transversely across the frame. A tongue assembly is mounted on the frame and includes hydraulic cylinders for skewing the frame to alternative parallelogram-shaped configurations whereby the blade assemblies are angled with respect to the direction of travel. Retractable wheel assemblies are provided for transporting the grader in a non-working mode.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: February 4, 1986
    Assignee: Logan Western Road, Inc.
    Inventor: Vernon D. Berry