Patents by Inventor Wilfred Yeggy

Wilfred Yeggy 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).

  • Patent number: 7021720
    Abstract: A vehicle that uses a steel lug wheel assembly while in the field and has retractable rubber tires for transport on paved roads. The vehicle is capable of simultaneously performing multiple farm operations in a field. The multiple farm operations include shredding, chiseling, tilling, as well as pulling any farm implement device such as a planter or a fertilizer.
    Type: Grant
    Filed: August 7, 2003
    Date of Patent: April 4, 2006
    Inventor: Wilfred Yeggy