Patents Assigned to Harriston Industries, Inc.
  • Soil crust loosening apparatus
    Patent number: 4768596
    Abstract: An apparatus for loosening a crust formed in the soil over planted seeds. A drum having a plurality of fingers rotatably disposed around an outer cylindrical surface thereof is biased toward the ground by spring rods which are adjustably attached to a frame. The frame is typically mounted to a prime mover such as a tractor or to a cultivator or the like attached to an agricultural tractor.
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: September 6, 1988
    Assignee: Harriston Industries, Inc.
    Inventor: John D. Riski