Patents by Inventor Robert Collignon

Robert Collignon 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).

  • Pet scratching device
    Patent number: D990066
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: June 20, 2023
    Inventor: Robert Collignon