Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749299 | Method and apparatus for fastening and clamping printing plates with beveled edges | Claus D. Barrois, Hans-Jurgen Zelfel | 1998-05-12 |
| 5152220 | Wiping device for the plate cylinder of an intaglio printing machine | Johannes G. Shaede, Hans-Jurgen Zelfel | 1992-10-06 |
| 5074450 | Transported web alignment apparatus | Wolfgang Scheller | 1991-12-24 |