Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40788 | Litho strip and method for its manufacture | Bernhard Kernig, Barbara Grzemba | 2009-06-23 |
| 6447982 | Litho strip and method for its manufacture | Bernhard Kernig, Barbara Grzemba | 2002-09-10 |
| 6324978 | Printing plate substrate and method of making a printing plate substrate or an offset printing plate | Jurgen Kaulen, Helmut Schmiedel, Barbara Grzemba | 2001-12-04 |
| 5009722 | Process for producing base material for an aluminum offset printing plate | Gerhard Sprintschnik, Walter Niederstaetter, Kurt Reiss, Gunther Scharf, Barbara Grzembra | 1991-04-23 |