Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6228456 | Hot-melt adhesive for gluing digital versatile discs | Ruediger Butterbach, Ulrike Maassen, Siegfried Kopannia | 2001-05-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6228456 | Hot-melt adhesive for gluing digital versatile discs | Ruediger Butterbach, Ulrike Maassen, Siegfried Kopannia | 2001-05-08 |