Patents by Inventor Johannes W. Schmitt

Johannes W. Schmitt 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).

  • Photographic material clamp
    Patent number: 5218379
    Abstract: A photographic material clamping apparatus includes a rotatable drum that has a longitudinally extending central axis, a longitudinal opening offset from the central axis, and a plurality of radial openings extending between the drum surface and the longitudinal opening. A cover member overlies the plurality of radial openings. A counterweight is positioned in the longitudinal opening and is connected to the cover member. Spring means act on the counterweight to urge the cover member towards the surface of the drum to grip a piece of photographic material inserted between the cover member and the drum.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: June 8, 1993
    Assignee: Eastman Kodak Company
    Inventors: Johannes W. Schmitt, Kenneth R. Vorndran