Patents by Inventor Robert C. Barker

Robert C. Barker 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: 4334374
    Abstract: Means for attaching a panel to an upright comprising a pair of uprights, multiple apertures formed in the uprights, a panel disposed between or on each of the uprights, bracket assemblies joined respectively to the side edges of the panel, the bracket assemblies comprising a pair of bracket elements having notches formed respectively therein, and the notches of each assembly being disposed in the associated aperture and in an interlocking relationship with the associated upright.
    Type: Grant
    Filed: March 26, 1981
    Date of Patent: June 15, 1982
    Assignee: The Mead Corporation
    Inventors: William S. Spamer, Robert C. Barker