Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827988 | Foaming apparatus for driving out residual air from containers filled with a foamable liquid | Rainer Gotz, Paul Knodel, Willi Scheid, Ludwig Clüsserath | 1989-05-09 |
| 4731093 | Process for fixing pigments on fiber materials and sheetlike structures | Erhard Doschke | 1988-03-15 |