Hugo Wehrenfennig: Difference between revisions

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=== E. Leitz Photographic Patents by Hugo Wehrenfennig ===
=== E. Leitz Photographic Patents by Hugo Wehrenfennig ===


*1951 JAN 18 - BAYONET UNION FOR CAMERA OBJECTIVE PARTS
*1951 JAN 18 - BAYONET UNION FOR CAMERA OBJECTIVE PARTS (see above)
*1951 APR 17 - CAMERA WINDING KEY with [[Ludwig Leitz]]
*1951 APR 17 - CAMERA WINDING KEY with [[Ludwig Leitz]]
*1951 JUL 25 - FILM CONTAINER FOR ROLL FILM CAMERA 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]]
*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]]
*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 16:25, 14 March 2012

Mbayonet.jpg

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)