Patents by Inventor Charles J. Guiffre

Charles J. Guiffre 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: D321962
    Type: Grant
    Filed: August 14, 1990
    Date of Patent: November 26, 1991
    Inventors: Samuel G. Roma, Charles J. Guiffre