Patents by Inventor Ralph Phillippi

Ralph Phillippi 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: D295543
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: May 3, 1988
    Inventor: Ralph Phillippi