Helmut Becker

1935 NOV 05 - FILM LOADING CASETTE
1935 NOV 23 - CAMERA FILM GUIDING MECHANISM
1935 DEC 20 - PHOTOGRAPHIC CAMERA (see above left)
1936 MAR 18 - PHOTOGRAPHIC FILM CAMERA
1937 MAR 23 - TRANSMISSION MECHANISM FOR PHOTOGRAPHIC CAMERAS (see above right)
1937 APR 21 - VIEW FINDER FOR PHOTOGRAPHIC CAMERAS
1937 OCT 27 - ROLL FILM CAMERA with Heinrich Broschke and Erich Filsinger
1939 JUL 08 - EXPOSURE METER FOR PHOTOGRAPHIC APPARATUS with Heinrich Broschke and Otto Sanger
1967 APR 13 - CENTER FOCUSING PRISM BINOCULAR AND RETICLE with Kurt Jensen, Ernst Leitz II and Walter Rinker (see Trinovid 8 x 40 B)

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