Patents by Inventor Douglas Gratzer

Douglas Gratzer 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).

  • Publication number: 20070114196
    Abstract: A retractable hanging apparatus that includes an engagement structure, such as a bar, upon which an article is hung or secured, with the engagement structure being suspended by one or more lines that are attached to a roller assembly rotatably mounted between two brackets. The roller assembly may be mounted to brackets alone or disposed inside a housing structure. The line or lines are secured to a roller assembly so that the article may be lowered to a particular height or may be elevated as desired. A braking system for preventing sudden retraction of the lines also is described.
    Type: Application
    Filed: January 22, 2007
    Publication date: May 24, 2007
    Inventors: Richard Cameron, Stephen Pagnucco, Douglas Gratzer