Patents by Inventor Edward D. Rosenberg

Edward D. Rosenberg 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).

  • Illuminated engraving machine
    Patent number: 4166319
    Abstract: Engraving apparatus for engraving the inner periphery of a circular object such as a ring or band is provided with a tool holder which supports the engraving tool. A fiber optic bundle is supported by the tool holder and has one end exposed adjacent the engraving tool. A source of illumination communicates with the other end of the fiber optic bundle.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: September 4, 1979
    Assignee: New Hermes, Incorporated
    Inventor: Edward D. Rosenberg