Patents by Inventor Robert F. Wilde

Robert F. Wilde 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 film with variable windows
    Patent number: 4391902
    Abstract: A photographic film including at least two elongated film strips of photosensitive material each divided into a sequence of longitudinally spaced frames and arranged in face-to-face superposed relation with the frames of the strips being longitudinally aligned, one of the film strips having certain of the frames free of photosensitive material whereby light from an image to be photographed is adapted to pass therethrough for registry on the adjacent strip with the strips being reeled on a single reel.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: July 5, 1983
    Inventor: Robert F. Wilde