Patents by Inventor Leo O. Levisay

Leo O. Levisay 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: D360457
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: July 18, 1995
    Inventor: Leo O. Levisay