Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803400 | Water-swellable hot-melt-type adhesive | Ruediger Butterbach, Siegfried Kopannia | 2004-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803400 | Water-swellable hot-melt-type adhesive | Ruediger Butterbach, Siegfried Kopannia | 2004-10-12 |