Patents by Inventor Leslie Ronald Wittenberg

Leslie Ronald Wittenberg 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).

  • Illuminated umbrella
    Patent number: 5911493
    Abstract: The invention provides for an umbrella, part of which is indicated by reference numeral 10. The umbrella 10 includes a post 12, a plurality of ribs 16 and a canopy, not shown, supported on the ribs 16. The umbrella 10 further includes a light source in the form of a length of rope lighting 32 carried by and extending along each of the ribs 16.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: June 15, 1999
    Inventors: Robert Lawrence Walker, Leslie Ronald Wittenberg