Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8622624 | Optical plug connection for optical waveguides | Ralf Malz, Jens Konetzny | 2014-01-07 |
| 8228609 | Apparatus for combining individual light beams of different wavelengths to form a coaxial light bundle | Ralf Malz | 2012-07-24 |
| 7764856 | Device for injecting light into an optical wave guide | Volker Bornmann, Christoph Schaeffel, Ralf Malz | 2010-07-27 |
| 5349200 | Method and apparatus for the alignment of paper stacks in a printing press | Helmut Buck | 1994-09-20 |
| 5256884 | Method and apparatus for the alignment of paper stacks in a printing press by optical beams reflected therefrom | Helmut Buck | 1993-10-26 |