Heinz Keiner
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E. Leitz + Leica Patents by Heinz Keiner of Solms, Germany
- 1981 SEP 25 - BINOCULAR with Heinrich Janke, Alfred Hengst and Hans-Kurt Uellenberg see Trinovid 8 x 32 BA
- 1993 SEP 15 - MONOCULAR TELESCOPE HAVING A FOCUSING UNIT WHOSE MECHANICAL SENSITIVITY CAN BE VARIED with Alfred Hengst and Lothar Kölsch
- 1984 JUN 22 - CARRYING STRAP MOUNTING see above
- 1993 SEP 15 - MONOCULAR TELESCOPE HAVING A FOCUSING UNIT WHOSE MECHANICAL SENSITIVITY CAN BE VARIED with Lothar Kölsch and Alfred Hengst
