Patents by Inventor Stoetzer Erwin

Stoetzer Erwin 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).

  • Auger Bit
    Publication number: 20080035385
    Abstract: The invention relates to an auger bit for an earth auger, in which at least two curved plates are provided and extend radially outwards from a drilling axis, the axial height decreasing radially outwards.
    Type: Application
    Filed: April 25, 2007
    Publication date: February 14, 2008
    Inventor: Stoetzer Erwin