Patents by Inventor David R. Nielsen

David R. Nielsen 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).

  • Temporary shelter
    Patent number: 4974376
    Abstract: A temporary shelter including a support structure extending upwardly from a base and hollow compartment members mounted upon the support structure, the hollow compartment further including an opening and a liquid drain. A window formed within the compartment walls transmits light from a light box mounted adjacent thereto and electrically connected to a power source.
    Type: Grant
    Filed: November 16, 1988
    Date of Patent: December 4, 1990
    Inventor: David R. Nielsen