Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6294726 | Silicon with structured oxygen doping, its production and use | Christian Hassler, Hans-Ulrich Hofs, Wolfgang Koch, Otwin Breitenstein | 2001-09-25 |
| 5874180 | Electroluminescent arrangements and their use | Rolf Wehrmann, Andreas Elschner, Hans J. Rosenkranz, Ralf Dujardin | 1999-02-23 |
| 5705267 | Thermostable polarizers | Karl-Heinz Aleksander Ostoja Starzewski | 1998-01-06 |
| 5552226 | Process for pretreating surfaces of plastic items | Klaus Sommer, Peter Bier, Andreas Elschner, Manfred Kowitz, Axel Sandquist | 1996-09-03 |
| 5487810 | Process for pretreating surfaces of plastic items | Klaus Sommer, Peter Bier, Andreas Elschner, Manfred Kowitz, Axel Sandquist | 1996-01-30 |
| 5152879 | Process for the treatment of polyolefin films | Ulrich Reiners, Ingo Schinkel, Manfred Kowitz | 1992-10-06 |
| 5102740 | Synthetic resin bodies with improved resistance to weathering | Kurt-Rainer Stahlke, Reimer Holm, Klaus Sommer | 1992-04-07 |
| 5008148 | Process for the production of plastic moulded articles with improved weathering resistance | Reimer Holm, Christian Leuschke, Dietrich Rathmann, Lutz Schrader | 1991-04-16 |
| 4589766 | Copying method and arrangement for colored originals | Manfred Fürsich, Gunter Findeis, Helmut Treiber, Berthold Fergg | 1986-05-20 |
| 4422752 | Method of and an apparatus for classifying color films | Konrad Bunge | 1983-12-27 |
| 4344704 | Method of determining correction parameters for use in light-amount adjustment in a color copying operation | Konrad Bunge | 1982-08-17 |
| 4279502 | Method of and apparatus for determining the copying light amounts for copying from color originals | Konrad Bunge, Gunter Findeis | 1981-07-21 |
| 4274732 | Method and apparatus for making reproductions of color film frames | Konrad Bunge | 1981-06-23 |
| 4217648 | Method and apparatus for evaluating color photographic negatives prior to copying | Konrad Bunge | 1980-08-12 |