Patents by Inventor Roberto Polo Delgado

Roberto Polo Delgado 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).

  • Printer nozzle
    Patent number: D881955
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: April 21, 2020
    Assignee: WOLF & ASSOCIATES, INC.
    Inventors: Erick Packard Wolf, Roberto Polo Delgado