Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200603 | Source distance adjustment arrangement for uniform illumination of projection surface | Traugott Liermann, Hans-Joachim Schrecke | 1993-04-06 |
| 5003343 | Projection copying apparatus and projection screen therefor | Traugott Liermann, Franz Nadler, Herbert Plaschke, Hans-Joachim Schrecke | 1991-03-26 |
| 4993698 | Film magazine | Edward Buelens, Danny Van Geyte | 1991-02-19 |
| 4754306 | Microfilm reading and reverse enlarging apparatus | Josef Auer, Adolf Koopmann, Jurgen Sylla | 1988-06-28 |
| 4593990 | Control device for controlling a diaphragm slot in a microfilm-reading and enlarging apparatus | Josef Auer | 1986-06-10 |
| 4482232 | Film Cartridge and/or camera with film arresting means | Dieter Engelsmann, Renate Torke | 1984-11-13 |
| 4440483 | Photographic roll film camera | Gerda Linke, Dieter Engelsmann, Dieter Maas, Alfred S. Bassler | 1984-04-03 |
| 4437751 | Film transport arrangement with perforation wheel for camera | Dieter Engelsmann, Peter Lermann, Karl Wagner, Siegfried Zobel | 1984-03-20 |
| 4395107 | Film cassette | Hermann Luhrig, Franz Hoffacker, Guido Kovacic, Dieter Engelsmann, Siegfried Zobel +1 more | 1983-07-26 |
| 4350425 | Film transport arrangement for a camera | — | 1982-09-21 |
| 4293204 | Photographic camera having an automatic exposure control | Karl Wagner, Dieter Engelsmann, Peter Stiefel | 1981-10-06 |
| 4265527 | Flash unit and camera | Dieter Engelsmann, Karl Wagner | 1981-05-05 |