Patents by Inventor Grace A. Del Re

Grace A. Del Re 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: D254692
    Type: Grant
    Filed: March 23, 1978
    Date of Patent: April 8, 1980
    Inventor: Grace A. Del Re