Patents by Inventor David McCready

David McCready 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).

  • Cathodic protection system
    Patent number: 4647353
    Abstract: An anode of about 98% carbon, 2% silica gel and less than 1% inert binders is mounted on a layer spread on a metal surface.
    Type: Grant
    Filed: January 10, 1986
    Date of Patent: March 3, 1987
    Inventor: David McCready