Patents by Inventor Herbert O. Bergdahl, Jr.

Herbert O. Bergdahl, Jr. 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).

  • Sharpener for turning tools
    Patent number: 4527361
    Abstract: The sharpening of tools having a handle and a blade with a cutting edge is accomplished by accurately supporting the tool with its cutting edge juxtapositioned to a rotary grinding wheel. The support has an angularly adjustable blade support platform and, spacially displaced therefrom, a handle support which is independently angularly adjustable relative to the blade support platform. The handle support can also be spaced at various distances from the blade support platform.
    Type: Grant
    Filed: December 2, 1982
    Date of Patent: July 9, 1985
    Inventor: Herbert O. Bergdahl, Jr.