Patents by Inventor William M. Colatriano

William M. Colatriano 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: D250503
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: December 12, 1978
    Assignee: Hercules Incorporated
    Inventor: William M. Colatriano