Patents by Inventor Robert J. Nace

Robert J. Nace 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).

  • Patent number: 4551951
    Abstract: A portable, hand-held, detachable, rotatable driving head for driving a continuous grinding belt by means of an air-driven, rotatable spindle including a detachable safety shield around the driving head.
    Type: Grant
    Filed: April 24, 1984
    Date of Patent: November 12, 1985
    Assignee: Bethlehem Steel Corporation
    Inventor: Robert J. Nace