Hugo Wehrenfennig: Difference between revisions
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m (New page: The designer of the M-bayonet, Hugo Wehrenfennig's signature is on the 1951 E.Leitz application drawing - US Patent 2,643,581. Image:Mbayonet.jpg) |
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US Patent 2,643,581. | |||
=== E. Leitz Photographic Patents by Hugo Wehrenfennig === | |||
[[ | *1951 JAN 18 - BAYONET UNION FOR CAMERA OBJECTIVE PARTS (see above) | ||
*1951 APR 17 - CAMERA WINDING KEY with [[Ludwig Leitz]] | |||
*1951 JUL 25 - FILM CONTAINER FOR ROLL FILM CAMERA with [[Ludwig Leitz]] | |||
*1953 OCT 01 - PHOTOGRAPHIC CAMERA WITH EXCHANGEABLE OBJECTIVES AND ADJUSTABLE VIEW FINDER with [[Ludwig Leitz]] | |||
*1955 MAR 15 - CAMERA WITH OBJECTIVE COUPLED SHUTTER RELEASE LOCK AND PICTURE BOUNDARY SELECTOR with [[August Brohl]] | |||
*1956 JUN 19 - PHOTOGRAPHIC CAMERA WITH INTERCHANGEABLE OBJECTIVES with [[Ludwig Leitz]] (Canadian Patent) | |||
Latest revision as of 14:25, 14 March 2012
US Patent 2,643,581.
E. Leitz Photographic Patents by Hugo Wehrenfennig
- 1951 JAN 18 - BAYONET UNION FOR CAMERA OBJECTIVE PARTS (see above)
- 1951 APR 17 - CAMERA WINDING KEY with Ludwig Leitz
- 1951 JUL 25 - FILM CONTAINER FOR ROLL FILM CAMERA with Ludwig Leitz
- 1953 OCT 01 - PHOTOGRAPHIC CAMERA WITH EXCHANGEABLE OBJECTIVES AND ADJUSTABLE VIEW FINDER with Ludwig Leitz
- 1955 MAR 15 - CAMERA WITH OBJECTIVE COUPLED SHUTTER RELEASE LOCK AND PICTURE BOUNDARY SELECTOR with August Brohl
- 1956 JUN 19 - PHOTOGRAPHIC CAMERA WITH INTERCHANGEABLE OBJECTIVES with Ludwig Leitz (Canadian Patent)
