Patents by Inventor Robert A. Younkin

Robert A. Younkin 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: 4561232
    Abstract: A modular tile for an access floor panel system wherein the tile includes a mechanism for positively locating the tile on an access floor panel so as to be replaceable and removable without the use of indexing tools or fixtures through the tile's bottom surface or the panel's top surface and having a configuration which orients the tile to the access floor panel, the size of the tile being consistent and modular with each and every access floor panel in the access floor panel system.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: December 31, 1985
    Assignee: Tate Architectural Products, Inc.
    Inventors: Robert S. Gladden, Jr., Richard J. Johnson, John C. Kidd, Robert A. Younkin