Patents by Inventor Brain Martin

Brain Martin 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).

  • Patent number: 4557691
    Abstract: A porcelain paste comprising a porcelain powder mixed with an aqueous colloidal dispersion of a urethane polymer. The paste can be applied as the first layer to a dental coping, and does not need to be fired prior to the addition of the body porcelain layers.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: December 10, 1985
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: Brain Martin, Carlino Panzera