Patents Assigned to Piper Farm Products, Inc.
  • Agricultural sweep and method of manufacture
    Patent number: 5456323
    Abstract: An agricultural sweep for being attached to a tractor for pulling the agricultural sweep across the ground. The agricultural sweep incudes a ground engaging portion having a cutting edge for cutting through the ground as the sweep is pulled across the ground; a stem portion for attaching the ground engaging portion to a tractor; and an extended wear portion applied to the stem portion for rendering the stem portion resistant to abrasion.
    Type: Grant
    Filed: December 15, 1993
    Date of Patent: October 10, 1995
    Assignee: Piper Farm Products, Inc.
    Inventor: Earl E. Hill