Patents by Inventor Glenn H. McCullough

Glenn H. McCullough 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).

  • Greenhouse structure
    Patent number: 4154253
    Abstract: A greenhouse structure composed of at least five intersected ring members providing a dome-shaped configuration over which a flexible cover is fitted. A particular manner of ring member intersection is employed to make the structure self-supporting. The flexible cover is provided with an arcuate closeable opening for access into the structure.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: May 15, 1979
    Inventor: Glenn H. McCullough