Patents by Inventor Dennis M. Gross

Dennis M. Gross has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tillage point
    Patent number: 4813491
    Abstract: A tillage point for attachment to an excavating or earthmoving apparatus includes a tapered point extending below its longitudinal axis and formed by a convex top surface and concave bottom surface when viewed in side elevation. A convex protuberance axially extending along the bottom surface, combined with the tapered point permits enhanced soil penetration with reduced drag and friction.
    Type: Grant
    Filed: July 28, 1987
    Date of Patent: March 21, 1989
    Assignee: James C. Vail
    Inventor: Dennis M. Gross
  • Tillage point tooth
    Patent number: D309460
    Type: Grant
    Filed: May 6, 1987
    Date of Patent: July 24, 1990
    Inventor: Dennis M. Gross