Patents by Inventor Roger Ahrnkiel

Roger Ahrnkiel 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).

  • Publication number: 20050123363
    Abstract: A routing tool for cutting material and an associated apparatus and method are provided. The tool includes a substantially cylindrical shaft member having a shank portion and a cutting portion. The cutting portion includes a plurality of cutting teeth disposed peripherally about a first helix and an intersecting second helix. Each cutting tooth defines a first cutting clearance on a first cutting edge and a first clearance on a first non-cutting edge. The cutting tooth defines a second cutting clearance on a second cutting edge and a second clearance on a second non-cutting edge. A flat extends on each cutting tooth resulting in a circular land on an outside diameter of the cutting portion.
    Type: Application
    Filed: December 9, 2003
    Publication date: June 9, 2005
    Inventors: Roger Ahrnkiel, Bradley Pense