Patents by Inventor Dudley G. Smithberg

Dudley G. Smithberg 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).

  • Honeycomb core cutting tool and method of using
    Patent number: 4551918
    Abstract: A set of two cutting units are located on the end of a tool to be rotated. The cutting units are radially aligned and on a bevel. Each blade on each cutting unit has a radial rake of at least 60 degrees, a clearance angle, and serrations cut at an angle normal to the cutting edge to provide a series of points extending along that cutting edge.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: November 12, 1985
    Assignee: The Boeing Company
    Inventor: Dudley G. Smithberg