Patents by Inventor Alexandre Francois Martenne

Alexandre Francois Martenne 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 cassette and camera equipped with a cassette according to the invention
    Patent number: 5742862
    Abstract: The invention concerns a cassette for photographic film.The cassette for photographic film according to the invention comprises: a winding spool (45); a photographic film (41) designed to be wound on said winding spool, means being provided for fixing one end of the film to said spool, said film being provided with perforations (48) formed at intervals along at least one of its longitudinal edges, and designed to cooperate with drive means (46) provided on a camera (42), a perforated leader (43) enabling the film to be engaged with said drive means (46) of said camera for the purpose of its winding onto a receiving spool (44), at least one of the perforations (60) of the leader intended for the initial engagement of the film (41) with the drive means (46) being longer along the longitudinal axis of the film than the other perforations (48).
    Type: Grant
    Filed: January 24, 1996
    Date of Patent: April 21, 1998
    Assignee: Eastman Kodak Company
    Inventor: Alexandre Francois Martenne