Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4586311 | Apparatus for removing strips of photosensitive material from flat envelopes | Erwin Geyken, Nikolaus Jelinek, Franz Lechner, Helmut Schausberger | 1986-05-06 |
| 4494706 | Apparatus for convoluting strips of photosensitive material or the like | Erwin Geyken, Nikolaus Jelinek | 1985-01-22 |
| 4324481 | Developing machine for radiation-sensitive material | — | 1982-04-13 |