| 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 |