Patents by Inventor Werner E. Sandvoss

Werner E. Sandvoss 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).

  • Combination viewer and projector
    Patent number: 4185899
    Abstract: A combination viewer and projector having a housing with a rear-lighted viewing screen mounted therein. The housing is adapted to receive a magazine having a length of film therein which can be advanced past an aperture in the magazine. A source of light is provided in the housing and is then directed into the magazine to form an image from the film in the aperture. Means is provided in the housing for receiving the image and for directing it onto a rear-lighted screen or alternatively through a projection opening in the housing.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: January 29, 1980
    Assignee: Action Films, Inc.
    Inventors: Hugh P. Sherlock, Edwin E. Ewry, Werner E. Sandvoss, Werner W. Ciupke, Glenn E. Brown, William T. Link