Patents by Inventor Joseph Daniel Johnson

Joseph Daniel Johnson 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).

  • Prismatic interlocking structural module
    Patent number: 4095386
    Abstract: A structural module is provided having at least three triangular prismatic elements arranged such that a similar quadrangular sidewall of each prismatic element forms a common quadrangular wall of the entire module.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: June 20, 1978
    Inventor: Joseph Daniel Johnson