Patents by Inventor Ernest C. Ritenour

Ernest C. Ritenour 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: 7200946
    Abstract: An alignment apparatus includes a central leg element and one or more secondary support leg elements in operative communication with the central leg element for providing support thereto. A sighting device rotatably attached to the central leg element includes an optical device having at least one optical element therein for permitting a user to view an area of interest in the direction of an optical device axis of sight and a laser-emitting device for emitting a laser beam along a laser axis of projection. The laser axis of projection is parallel to the optical device axis of sight. A method of aligning an underground structure is also disclosed.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: April 10, 2007
    Inventor: Ernest C. Ritenour