Patents by Inventor Frank L. O'Bryan

Frank L. O'Bryan 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).

  • Modular building structure
    Patent number: 4530196
    Abstract: Modular structural elements found by cutting, scoring and folding multiple layer corrugated paperboard sheets which can be used singly and in combination in the construction of a building structure.
    Type: Grant
    Filed: February 16, 1983
    Date of Patent: July 23, 1985
    Inventor: Frank L. O'Bryan