Patents by Inventor S. Heagan Bayles, Jr.

S. Heagan Bayles, 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).

  • Coated valve metal article formed by spark anodizing
    Patent number: 3956080
    Abstract: Metals and alloys which have the property of electrolytic rectification are coated by immersion in an aqueous bath comprising an alkali metal hydroxide, an alkali metal silicate and a catalyst and application of a sufficiently high voltage to obtain spark discharge at the surface to be coated thereby to provide a durable coating on the surface.
    Type: Grant
    Filed: August 22, 1974
    Date of Patent: May 11, 1976
    Assignee: D & M Technologies
    Inventors: Rudolf J. Hradcovsky, S. Heagan Bayles, Jr.