Patents by Inventor Craig D. Witty

Craig D. Witty 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).

  • Process and apparatus for adding titles, subtitles, and computer-generated images to pre-existing photographic images
    Patent number: 5031122
    Abstract: A method and apparatus for adding titles, subtitles, and computer-generated images to pre-existing film images as part of the process of rephotography or photographic printing, in which a light valve is used first to create a high-contrast mask to prevent double exposure, and the same light valve is subsequently used to expose the image of the titles, subtitles, or computer-generated graphics onto the film.
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: July 9, 1991
    Inventor: Craig D. Witty
  • Process and apparatus for creating traveling mattes
    Patent number: 4537481
    Abstract: A method and apparatus for creating traveling mattes in which a first image is photographed and then sensed. The first image is then electronically processed followed by the steps of photographing on the same film a successive image and simultaneously transmitting to a light valve an electronic signal to produce a high-contrast negative image corresponding to the first image so that the successive image is combined with the first image.
    Type: Grant
    Filed: November 1, 1982
    Date of Patent: August 27, 1985
    Inventor: Craig D. Witty
  • Mowing apparatus
    Patent number: D781350
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: March 14, 2017
    Assignee: O-SAGE POWER EQUIPMENT LLC
    Inventors: Keith L. Alm, Sr., Keith L. Alm, Jr., Jacob M. Latinsky, Craig D. Witty