Patents by Inventor Isabel Walther Firpo

Isabel Walther Firpo 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).

  • Optical imaging device
    Patent number: D834713
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: November 27, 2018
    Assignee: WELCH ALLYN, INC.
    Inventors: Thomas Myers, Richard Farchione, Isabel Walther Firpo
  • Optical imaging device
    Patent number: D835271
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: December 4, 2018
    Assignee: WELCH ALLYN, INC.
    Inventors: Thomas Myers, Richard Farchione, Isabel Walther Firpo