Patents by Inventor Ralph S. Bullock, Jr.

Ralph S. Bullock, 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).

  • Method and apparatus for smoothing substrate surfaces
    Patent number: 5770267
    Abstract: Smoothing surfaces of a substrate having a profile and irregular surfaces. According to one embodiment, a layer of fill material is applied to at least one surface of the substrate, wherein the fill material fills irregularities in the at least one surface. The layer of fill material is scraped from the at least one surface to provide a relatively smooth at least one surface.
    Type: Grant
    Filed: April 5, 1996
    Date of Patent: June 23, 1998
    Assignee: J. M. Huber Corporation
    Inventor: Ralph S. Bullock, Jr.