Patents by Inventor Curtis R. Dose

Curtis R. Dose 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: 4343464
    Abstract: A playground structure includes a container for containing a playing medium with a substantially rigid cover having a slide thereon with the cover hinged to the container and including a plurality of further hinged panels for alternately folded covering of the container and unfolding into a playground shelter and slide. Ladders at the end of the slide and alongside the slide for providing access to the slide from ground level and from the container.
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: August 10, 1982
    Inventor: Curtis R. Dose