Patents by Inventor Clarence M. Webb

Clarence M. Webb 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: 4397532
    Abstract: A film editing device is disclosed for viewing frames of a roll of negative photographic film and marking selected frames for subsequent development. The film editing device includes a film viewing table having an illuminated film viewing window, a film supply spindle is rotatably mounted to the device to one side of the viewing window adapted to receive a roll of negative film, and a film take-up spindle is rotatably mounted to the viewing device to the opposite side of the viewing window upon which the film strip unwinding from the roll of negative film is rewound. The film supply spindle and film take-up spindle are rotatably driven, selectively, by either an electric motor or manually. A film marking device having a plurality of punches is associated with the viewing table to selectively punch holes in the bottom marginal edge of the selected frame of film.
    Type: Grant
    Filed: May 18, 1981
    Date of Patent: August 9, 1983
    Inventor: Clarence M. Webb