Alfred Hengst: Difference between revisions
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*1993 SEP 15 - MONOCULAR TELESCOPE HAVING A FOCUSING UNIT WHOSE MECHANICAL SENSITIVITY CAN BE VARIED with [[Heinz Keiner]] and [[Lothar Kölsch]] | *1993 SEP 15 - MONOCULAR TELESCOPE HAVING A FOCUSING UNIT WHOSE MECHANICAL SENSITIVITY CAN BE VARIED with [[Heinz Keiner]] and [[Lothar Kölsch]] | ||
*1995 MAR 10 - SUSPENSION LUG AND LOCKING ELEMENT FOR A CARRYING STRAP with [[Ernst Ruehl]] | *1995 MAR 10 - SUSPENSION LUG AND LOCKING ELEMENT FOR A CARRYING STRAP with [[Ernst Ruehl]] | ||
*1996 JUL 29 - CAMERA HOUSING with [[Manfred Meinzer]] (see above and [[ | *1996 JUL 29 - CAMERA HOUSING with [[Manfred Meinzer]] (see above and [[R8]]) | ||
*2002 AUG 10 - METHOD AND DEVICE FOR FOCUSING AND DIOPTER COMPENSATION OF A TELESCOPE with [[Sigrun Kammans]] and [[Gernot Kettler]] | |||
*2002 AUG 14 - ARRANGEMENT FOR ROTATABLE ADJUSTMENT OF A CAP ON AN EYEPIECE HOUSING with [[Philipp Syre]] | *2002 AUG 14 - ARRANGEMENT FOR ROTATABLE ADJUSTMENT OF A CAP ON AN EYEPIECE HOUSING with [[Philipp Syre]] | ||
*2003 JAN 09 - PLAY-FREE ROTARY MOUNTING with [[Rolf Speier]] (see [[Ultravid 8 x 20 BL]]) | *2003 JAN 09 - PLAY-FREE ROTARY MOUNTING with [[Rolf Speier]] (see [[Ultravid 8 x 20 BL]]) | ||
*2004 APR 20 - ARRANGEMENT FOR ROTATABLE ADJUSTMENT OF A CAP ON AN EYEPIECE HOUSING with [[Philipp Syre]] | *2004 APR 20 - ARRANGEMENT FOR ROTATABLE ADJUSTMENT OF A CAP ON AN EYEPIECE HOUSING with [[Philipp Syre]] | ||
*2005 MAY 18 - FOCUSING DEVICE WITH DIOPTER ADJUSTMENT with [[Rolf Speier]] (see [[Ultravid 8 x 20 BL]]) | *2005 MAY 18 - FOCUSING DEVICE WITH DIOPTER ADJUSTMENT with [[Rolf Speier]] (see [[Ultravid 8 x 20 BL]]) | ||
Latest revision as of 17:05, 15 August 2013
E. Leitz + Leica Photographic Patents by Alfred Hengst of Lahnau, Germany
- 1975 APR 28 - BINOCULARS WITH DOUBLE BRIDGE AND RESILIENT BIASING (see Trinovid 8 x 20 C)
- 1977 SEP 27 - BINOCULARS (Canadian Patent see right image above)
- 1978 APR 17 - ILLUMINATION SYSTEM FOR PHOTOGRAPHIC ENLARGERS
- 1980 MAY 20 - BINOCULAR TELESCOPE WITH INTERNAL FOCUSING
- 1981 SEP 25 - BINOCULAR with Heinrich Janke and Hans-Kurt Uellenberg (see Trinovid 8 x 20 BC.)
- 1981 SEP 25 - BINOCULAR with Heinrich Janke, Heinz Keiner and Hans-Kurt Uellenberg (see Trinovid 8 x 32 BA)
- 1984 MAY 03 - BINOCULAR with Heinrich Janke and Hans-Kurt Uellenberg
- 1984 MAY 23 - BINOCULAR with Heinrich Janke and Hans-Kurt Uellenberg
- 1989 SEP 08 - BINOCULAR TELESCOPE WITH COUPLED JOINT FOCUSING AND UNCOUPLED SEPARATE FOCUSING with H. Peter Farnung and Heinz Keiner (1st Leica Patent)
- 1989 DEC 22 - BINOCULAR TELESCOPE WITH RADIALLY ACTING COMPENSATING SPRING with H. Peter Farnung and Heinz Keiner
- 1990 MAR 28 - PAIR OF BINOCULARS with H. Peter Farnung, Heinrich Janke and Heinz Keiner see Trinovid 10 x 32 BN
- 1993 SEP 15 - MONOCULAR TELESCOPE HAVING A FOCUSING UNIT WHOSE MECHANICAL SENSITIVITY CAN BE VARIED with Heinz Keiner and Lothar Kölsch
- 1995 MAR 10 - SUSPENSION LUG AND LOCKING ELEMENT FOR A CARRYING STRAP with Ernst Ruehl
- 1996 JUL 29 - CAMERA HOUSING with Manfred Meinzer (see above and R8)
- 2002 AUG 10 - METHOD AND DEVICE FOR FOCUSING AND DIOPTER COMPENSATION OF A TELESCOPE with Sigrun Kammans and Gernot Kettler
- 2002 AUG 14 - ARRANGEMENT FOR ROTATABLE ADJUSTMENT OF A CAP ON AN EYEPIECE HOUSING with Philipp Syre
- 2003 JAN 09 - PLAY-FREE ROTARY MOUNTING with Rolf Speier (see Ultravid 8 x 20 BL)
- 2004 APR 20 - ARRANGEMENT FOR ROTATABLE ADJUSTMENT OF A CAP ON AN EYEPIECE HOUSING with Philipp Syre
- 2005 MAY 18 - FOCUSING DEVICE WITH DIOPTER ADJUSTMENT with Rolf Speier (see Ultravid 8 x 20 BL)
