Patents by Inventor George E. Hardin

George E. Hardin 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: 4465519
    Abstract: A novel multi-purpose dry mortar composition comprises Portland cement, fine grained stone or marble flour, a surfactant and a dry adhesive pre-mixed in dry form which can be bagged along with masonry sand at the plant or water and masonry sand can be added at the job site to form one coat or base coat finishes for interior and exterior use.
    Type: Grant
    Filed: June 24, 1983
    Date of Patent: August 14, 1984
    Inventor: George E. Hardin
  • Patent number: 4390372
    Abstract: A novel multi-purpose mortar composition comprises Portland cement, substantially equal amounts of fine grained stone or marble and a surfactant pre-mixed in dry form which can be added with water and masonry sand at the job site to form one coat or base coat finishes for interior and exterior use. Additionally, a high solids vinyl-acrylic latex copolymer can be added at the job site along with other additives which can modify the mortar properties.
    Type: Grant
    Filed: September 23, 1980
    Date of Patent: June 28, 1983
    Inventor: George E. Hardin