Patents by Inventor Donald D. Spencer

Donald D. Spencer 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 of making supra-passivant grid
    Patent number: 5411896
    Abstract: A supra-passivant grid is disclosed which is capable of conducting residual charge from the surface of an integrated circuit and eliminating generic leakage effects on sensitive circuitry below.
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: May 2, 1995
    Assignee: Delco Electronics Corporation
    Inventors: Donald D. Spencer, Stephen P. Barlow, Mark F. Henderson