Patents by Inventor Shuford M. Alexander, Jr.

Shuford M. Alexander, 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).

  • High purity silicon nitride polishing compound
    Patent number: 4690693
    Abstract: A polishing compound is disclosed which is relatively high purity silicon nitride, the silicon nitride comprising particles having equiaxial crystals, the particle size being from about 0.03 to about 5 microns.
    Type: Grant
    Filed: December 5, 1985
    Date of Patent: September 1, 1987
    Assignee: GTE Products Corporation
    Inventors: Robert J. Dobbs, Shuford M. Alexander, Jr.