Patents by Inventor Fort Francois

Fort Francois 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).

  • Image conductors with a reticulated screen
    Patent number: 4518221
    Abstract: An image conducting device is provided using an index gradient optical fiber on the input of which is projected a screened image, reduced by means of the lens-screen-reducer assembly, the image transmitted on to the output face of said fiber being seen through an eye-piece.This device is intended more particularly for endoscopes.
    Type: Grant
    Filed: December 1, 1982
    Date of Patent: May 21, 1985
    Inventor: Fort Francois