Patents by Inventor Hans C. L. Jacobsen

Hans C. L. Jacobsen 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).

  • Bridge
    Patent number: 4080681
    Abstract: A pedestrian bridge includes side, bottom and rail members formed of extruded aluminum box beams welded along edges to define a U-shaped bridge having lights in a longitudinal cavity in the rail members; a second embodiment is in the form of a close pipe of irregular hexagonal cross-section.
    Type: Grant
    Filed: March 29, 1977
    Date of Patent: March 28, 1978
    Inventors: Hans H. Olrik, Hans C. L. Jacobsen