Patents by Inventor Ernest V. Carrillo

Ernest V. Carrillo 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).

  • Screed board apparatus
    Patent number: 4449845
    Abstract: Screed board apparatus includes a harness to secure the apparatus to a user and handles to allow the user to move the screed board.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: May 22, 1984
    Inventor: Ernest V. Carrillo