Patents by Inventor Ralph S. Vitale

Ralph S. Vitale 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: 4817319
    Abstract: A collapsible sign includes a web supported by a collapsible frame. The collapsible frame includes two vertical legs and a cross member releasably secured to the tops of the legs. Casings are formed along three edges of the rectangular web and enclose the framing members. The cross member is secured to the top of the legs using a resilient tubular connector adapted to slide over and tightly engage the ends of the legs and cross member. A method for erecting a collapsible sign is also disclosed. When disassembled, the sign may be collapsed or rolled into a compact cylindrical package.
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: April 4, 1989
    Inventor: Ralph S. Vitale