Patents by Inventor Duane E. Wegerer

Duane E. Wegerer 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).

  • Plow bolt
    Patent number: 4416573
    Abstract: A bolt for attaching an earth engaging plow component to a plow frog has an improved head configuration represented by planar surfaces having inclined angular displacement similar to the slope of the truncated cone portion of the plow bolt head.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: November 22, 1983
    Assignee: International Harvester Co.
    Inventors: John A. Matalis, Richard L. Heinie, Duane E. Wegerer