Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5249754 | Method of and arrangement for gripping starting portion of coiled film | Franz Nadler, Jurgen Risser | 1993-10-05 |
| 5214469 | Method of and arrangement for reenlargement of microfilmed originals | Helmut Klocke | 1993-05-25 |
| 5200603 | Source distance adjustment arrangement for uniform illumination of projection surface | Hubert Hackenberg, Hans-Joachim Schrecke | 1993-04-06 |
| 5003343 | Projection copying apparatus and projection screen therefor | Hubert Hackenberg, Franz Nadler, Herbert Plaschke, Hans-Joachim Schrecke | 1991-03-26 |
| 4731639 | Microfilm pickup camera with marking means for screened originals | Walter Gutmann, Gerhard Schreiner, Wolfram Betzold, Wilfried Hofmann, Klaus Schiessl | 1988-03-15 |