Patents by Inventor Oliver Dale Smith

Oliver Dale Smith 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: 4085059
    Abstract: A coating remover comprised of a substantially uniform mixture of about 5 to 35 percent by weight of N-methyl-2-pyrrolidone and the balance comprised of a water-base carrier containing about 10 to 35 percent by weight organic surfactants therein so that when such liquid mixture is admixed with a gas, a substantially non-flammable, non-toxic, biodegradable and easily dispensible foam results which is characterized by a very high persistency and a very low volatility. This foam-type coating remover is useful for removing various paints, lacquers and other coatings or finishes, such as based on polyamide epoxy, cellulosic, vinyl or acrylic resins from various surfaces.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: April 18, 1978
    Assignee: Bunker Ramo Corporation
    Inventors: Oliver Dale Smith, Gerald M. Goldberg