Patents by Inventor Andres A. Chacon

Andres A. Chacon 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).

  • Drywall knife having a screwdriver bit and dimple forming projection
    Patent number: 5720063
    Abstract: The present invention is directed to a drywall knife including a blade having an edge extending transversely to a longitudinal axis of the blade. A handle is attached to the blade, and a screwdriver tip is embedded within and rigidly attached to the handle. A dimple forming projection is attached to the handle and/or the screwdriver tip.
    Type: Grant
    Filed: January 31, 1996
    Date of Patent: February 24, 1998
    Inventor: Andres A. Chacon