Oskar Barnack
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E. Leitz Photographic Patents by Oskar Barnack
- 1931 MAR 17 - DEVICE FOR DEVELOPING FILM
- 1931 SEP 03 - PHOTOGRAPHIC CAMERA
- 1932 JAN 06 - COUPLING BETWEEN OBJECTIVE ADJUSTMENT AND DISTANCE GAUGE IN CAMERAS
- 1932 JUL 13 - SETTING FOR THE OBJECTIVES OF PHOTOGRAPHIC CAMERAS
- 1932 JUL 13 - PHOTOGRAPHIC CAMERA
- 1932 JUL 13 - PHOTOGRAPHIC CAMERA
- 1932 JUL 18 - ENLARGEMENT CAMERA
- 1932 AUG 17 - DISTANCE METER FOR PHOTOGRAPHIC PURPOSES
- 1932 AUG 17 - PHOTOGRAPHIC DEVICE (Folding Rangefinder)
- 1932 AUG 22 - COUPLING FOR DISTANCE METERS AND OBJECTIVES OF PHOTOGRAPHIC CAMERAS
