Patents by Inventor James Theodore Schwiegerling

James Theodore Schwiegerling 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).

  • Imaging lens and illumination system
    Patent number: 7048379
    Abstract: An imaging system and method for imaging an object, where an objective lens directs light to the object, a coupling lens receives light reflected from a surface of the object and transmitted through the objective lens, and focuses the reflected light as an image of the object, and an annular light emitter arranged concentrically with an optical axis of the objective lens and the coupling lens emits to the objective lens the light directed to the object.
    Type: Grant
    Filed: March 17, 2004
    Date of Patent: May 23, 2006
    Assignee: The Arizona Board of Regents on behalf of the University of Arizona
    Inventors: Joseph Marion Miller, James Theodore Schwiegerling