Patents by Inventor Dennis O. Johnson

Dennis O. 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).

  • Patent number: 4262461
    Abstract: A connector for interconnecting joists which define triangular panel roof areas of a geodesic dome and comprised of a metal sleeve having a plurality of circumferentially spaced openings extending therethrough and a plurality of metal tongues secured to the adjacent ends of the joists at their junction point and extending radially inwardly through the sleeve openings, each having a tapered pin extending through its tongue and bearing against the inner surface of the sleeve to cam the joists' ends against the exterior of the sleeve and thereby hold the same in rigid fixed relation to the sleeve.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: April 21, 1981
    Inventors: Janet B. Johnson, Dennis O. Johnson
  • Patent number: D273087
    Type: Grant
    Filed: August 14, 1981
    Date of Patent: March 20, 1984
    Inventors: Janet B. Johnson, Dennis O. Johnson