Patents by Inventor John B. Wentz, III

John B. Wentz, III 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: 4818084
    Abstract: A single eyepiece binocular microscope includes a microscope housing a generally horizontal base and housing several optical elements. An objective lens is positioned immediately above the specimen and adjacent the base plane. A first mirror, vertically above the objective lens, redirects the light down and away from the observer along a path to intersect a second mirror positioned adjacent the base plane. The second mirror redirects the light along a third light path up and towards the observer for intersection with a rear projection screen. A viewing chamber shields the screen from ambient light for a brighter image and for an illusion of depth. A second lens, positioned just behind the real image of the first lens, provides a real image at the screen. A third lens at the viewing opening creates a virtual image between the second mirror and the rear projection screen to aid the impression of depth.
    Type: Grant
    Filed: July 14, 1988
    Date of Patent: April 4, 1989
    Inventor: John B. Wentz, III