Walter Mandler: Difference between revisions
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*1962 NOV 01 - PHOTOGRAPHIC OBJECTIVE HAVING FOUR LENS MEMBERS (7 / 4) | *1962 NOV 01 - PHOTOGRAPHIC OBJECTIVE HAVING FOUR LENS MEMBERS (7 / 4) | ||
*1967 NOV 06 - ILLUMINATED RETICLE FOR OPTICAL VIEWING INSTRUMENTS | *1967 NOV 06 - ILLUMINATED RETICLE FOR OPTICAL VIEWING INSTRUMENTS | ||
*1968 JUN 15 - OBJECTIVE HAVING LONG BACK FOCAL DISTANCE WITH REGARD TO ITS FOCAL LENGTH (4 / 3 - 8 / 6) with [[Garry Edwards]] and [[Erich Wagner]] | *1968 JUN 15 - OBJECTIVE HAVING LONG BACK FOCAL DISTANCE WITH REGARD TO ITS FOCAL LENGTH (4 / 3 - 8 / 6) with [[Garry Edwards]] and [[Erich Wagner]] see [[28mm f/2.8 Elmarit II]] | ||
*1970 JUL 30 - FOUR COMPONENT OBJECTIVE (4 / 4) with [[Garry Edwards]] and [[Erich Wagner]] | *1970 JUL 30 - FOUR COMPONENT OBJECTIVE (4 / 4) with [[Garry Edwards]] and [[Erich Wagner]] | ||
*1975 SEP 05 - STILL POCKET CAMERA with [[Ludwig Leitz]] | *1975 SEP 05 - STILL POCKET CAMERA with [[Ludwig Leitz]] | ||
*1977 MAR 09 - OPTICAL SENSING SYSTEM FOR FOCUSING A REFLEX CAMERA | *1977 MAR 09 - OPTICAL SENSING SYSTEM FOR FOCUSING A REFLEX CAMERA | ||
*1977 MAY 16 - FOUR MEMBER GAUSS OBJECTIVE (6 / 4) with [[Erich Wagner]] and [[Garry Edwards]] | *1977 MAY 16 - FOUR MEMBER GAUSS OBJECTIVE (6 / 4) with [[Erich Wagner]] and [[Garry Edwards]] | ||
Revision as of 18:12, 4 March 2012
E. Leitz Photographic Patents by Walter Mandler of Midland, Canada
- 1958 SEP 30 - PHOTOGRAPHIC OBJECTIVE (8 / 6)
- 1959 AUG 26 - HIGH APERTURE PHOTOGRAPHIC OBJECTIVE (7 / 5) with Erich Wagner
- 1960 JUL 26 - HIGH APERTURE OBJECTIVE FOR PHOTOGRAPHY AND PROJECTION (5 / 4) with Erich Wagner
- 1962 NOV 01 - PHOTOGRAPHIC OBJECTIVE HAVING FOUR LENS MEMBERS (7 / 4)
- 1967 NOV 06 - ILLUMINATED RETICLE FOR OPTICAL VIEWING INSTRUMENTS
- 1968 JUN 15 - OBJECTIVE HAVING LONG BACK FOCAL DISTANCE WITH REGARD TO ITS FOCAL LENGTH (4 / 3 - 8 / 6) with Garry Edwards and Erich Wagner see 28mm f/2.8 Elmarit II
- 1970 JUL 30 - FOUR COMPONENT OBJECTIVE (4 / 4) with Garry Edwards and Erich Wagner
- 1975 SEP 05 - STILL POCKET CAMERA with Ludwig Leitz
- 1977 MAR 09 - OPTICAL SENSING SYSTEM FOR FOCUSING A REFLEX CAMERA
- 1977 MAY 16 - FOUR MEMBER GAUSS OBJECTIVE (6 / 4) with Erich Wagner and Garry Edwards
