Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192388 | Process and device for producing a composite web | Ernst Schollkopf, Roland Stiwitz, Konrad Vogel | 1993-03-09 |
| 4498946 | Apparatus and method for manufacturing a sandwich web | Ernst Schollkopf | 1985-02-12 |
| 4245583 | Mechanism to transfer a viscous coating medium | Ernst Schollkopf, Hans Skultety, Eduard Ortner | 1981-01-20 |