Patents by Inventor Ivan C. Doddridge

Ivan C. Doddridge 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 manufacturing new paintable rubber products
    Patent number: 3935329
    Abstract: A new paintable rubber composition made of a special formulation of materials including, for example, an SBR rubber elastomer and a thermoplastic polymeric stiffening agent means which may be used to provide the cured composition with a high flex modulus; and a new method of manufacturing a special flexible painted rubber product comprising molding, curing and painting said product.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: January 27, 1976
    Assignee: Sheller-Globe Corporation
    Inventors: Albert F. Reilly, Ivan C. Doddridge, Ming Chih Chen