Patents by Inventor Alvin K. Wilson

Alvin K. Wilson 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).

  • Cultivator tool for planting seedlings
    Patent number: 4901800
    Abstract: The tool includes a shaft adapted at its upper end to receive a power source. Flighting extends partially along the shaft above a pair of radially directed elongate blades which project outwardly from the shaft a distance beyond the flighting edge. A modified form dispenses with the flighting.
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: February 20, 1990
    Inventor: Alvin K. Wilson
  • Auger construction
    Patent number: 4185707
    Abstract: An auger is disclosed having flighting outer edges protected by overlying, wear resistant bits applied in a continuous manner. The leading edge of the flighting is protected by wear resistant bits applied along the edge. A point carries ribs of hard material such as carbide, the edge of which constitutes a cutting edge. The bits are applied with solder.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: January 29, 1980
    Inventor: Alvin K. Wilson
  • Vegetation scalping and earth boring tool
    Patent number: D267405
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: December 28, 1982
    Inventor: Alvin K. Wilson