Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5748286 | Method and apparatus for printing photographs of different formats | Hans-Georg Schindler, Hans-Jurgen Rauh, Manfred Fürsich, Magos Vasilios, Rainer Deutsch +4 more | 1998-05-05 |
| 5506656 | Method of and apparatus for measuring the optical density of a photographic negative | — | 1996-04-09 |
| 5307114 | Apparatus for making prints of exposed and developed photographic films | Erich Nagel | 1994-04-26 |
| 5303000 | Method of and apparatus for ascertaining the characteristics of shorter and longer sections of photographic material | Gerhard Benker, Ulrich Klueter, Reimund Muench, Erich Nagel, Volker Weinert +1 more | 1994-04-12 |
| 5253011 | Copying method and copier for film | Wolfgang Zahn, Gunther Schnall, Gerhard Benker | 1993-10-12 |
| 5192970 | Method and arrangement for copying filmstrips | Gunter Findeis, Hans-Juergen Rauh, Wolfgang Zahn, Helmut Treiber, Hans-Georg Schindler | 1993-03-09 |
| 4987440 | Method of and apparatus for positioning image areas of film | Gerhard Benker, Bernd Payrhammer, Volker Weinert, Helmut Treiber, Ulrich Kluter | 1991-01-22 |
| 4967222 | Method of and machines for treating webs of photographic material | — | 1990-10-30 |
| 4947205 | Method of and apparatus for positioning photographic originals in a copying station | Gerhard Benker, Bernd Payrhammer, Volker Weinert, Helmut Treiber, Ulrich Klueter | 1990-08-07 |
| 4873546 | Color printing method and apparatus | Wolfgang Zahn, Manfred Fürsich, Hans-Jurgen Rauh, Helmut Treiber | 1989-10-10 |
| 4649422 | Method of and arrangement for determining the sharpness of originals for reproduction | Wilfried Rauskolb, Helmut Treiber | 1987-03-10 |
| 4647190 | Copier for photographic originals having different sizes | Gerhard Benker | 1987-03-03 |
| 4627719 | Method and apparatus for reproducing the images of film frames | Helmut Treiber, Gerhard Benker | 1986-12-09 |
| 4585338 | Photographic copying apparatus | Walter G. Kieslich, Helmut Treiber | 1986-04-29 |
| 4566784 | Photographic roller copying apparatus with a device for threading a new paper tape | — | 1986-01-28 |
| 4466579 | Cassette for rolls of photosensitive material | Erich Nagel | 1984-08-21 |
| 4315686 | Exposure controls for photographic copy machines | Berthold Fergg, Mathias Pflugbeil | 1982-02-16 |