Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875963 | Process for preparing a transfer metallization film | Klaus Paschke, Guenther Crass | 1989-10-24 |
| 4839517 | Roll electrode and device for pretreating the surfaces of film webs by means of electrical corona discharge | — | 1989-06-13 |